diff --git a/aseredesign/aseredesign.py b/aseredesign/aseredesign.py
index a55d7de..8816d25 100644
--- a/aseredesign/aseredesign.py
+++ b/aseredesign/aseredesign.py
@@ -1,350 +1,344 @@
-import math
-import csv
-from colorama import just_fix_windows_console
-just_fix_windows_console()
-from colorama import Fore, Back, Style
-
-# 
-# HELLO MODIFY THIS!
-#
-#Hello there! Modify this!
-#INITIAL SET UP
-Ebasis = 65500.00
-mass_limit = 28.000
-
-#MODIFY THIS EVERY NEW ITERATION
-modAmount = 2 # amount of results you want to iterate through (starts at panel_val_0 and goes to this value minus one)
-# So the highest x of panel_val_x with one added to it. (modAmount = 1 only runs panel_val_0, modAmount = 3 runs through panel_val_0, 1 and 2)
-
-#                 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16
-pThickness_01 = [ 4, 5] # panel 1 and 10
-pThickness_02 = [ 4, 5] # panel 2 and 9
-pThickness_03 = [ 4, 5] # panel 3 and 8
-pThickness_04 = [ 4, 5] # panel 4 and 7
-pThickness_05 = [ 4, 6] # panel 5 and 6
-
-#         0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16
-dim1_0 = [25,70]
-dim2_0 = [ 2, 2]
-dim3_0 = [20,10]
-dim4_0 = [15,15]
-
-
-# BELOW THIS NOTHING NEEDS TO BE MODIFIED
-
-def GetValueofElement(ElementID, Loadcase, Valuetype, Fileadress):
-    FindTitle = False
-    intiated = False
-    with open(Fileadress, newline='') as csvfile:
-        reader = csv.reader(csvfile, delimiter=',', quotechar="'")
-        for row in reader:
-            values = row
-            #print(values)
-            if intiated:
-                if str(values[ElemID_ID]) == str(ElementID) and str(values[Loadcase_ID])==str(Loadcase):
-                    return float(values[Value_ID])*1.5 #Safety Factor here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-            if FindTitle:
-                #print(str(values))
-                Header = values
-                ElemID_ID = Header.index("Elements")
-                Loadcase_ID = Header.index("Loadcase")
-                Value_ID = Header.index(Valuetype)
-                FindTitle = False
-                intiated = True
-            if len(values)==0:
-                FindTitle=True
-        return None
-
-#CONSTANTS
-axial = 'Element Stresses (1D):CBAR/CBEAM Axial Stress'
-# material properties
-sUlt = 530
-sYield = 490
-density = 2.7 * (10 ** -6) #2.7*10^-9 in t/mm^3
-
-pWidth_0 = [200,200,200,200,200,200,200,200,200,200,200,200,200,200]
-pLength_0 = [750,750,750,750,750,750,750,750,750,750,750,750,750]
-
-def GetAvgStressofPanel(panelNo, Loadcase, ValueType):
-    id = panelNo * 3 - 2
-    return (GetValueofElement(id, Loadcase, ValueType, panel) + GetValueofElement(id+1, Loadcase, ValueType, panel) + GetValueofElement(id+2, Loadcase, ValueType, panel))/(3*1.5)
-
-
-def GetCombAvgStressofStringer(stringerNo, Loadcase):
-    id = stringerNo  * 3 - 3 + 40
-    avgStringerStress = (GetValueofElement(id, Loadcase, axial, stringer) + GetValueofElement(id+1, Loadcase, axial, stringer) + GetValueofElement(id+2, Loadcase, axial, stringer))/(3*1.5)
-    leftPID = stringerNo
-    rightPID = stringerNo + 1
-    leftPStress = GetAvgStressofPanel(leftPID, Loadcase, 'XX')
-    rightPStress = GetAvgStressofPanel(rightPID, Loadcase, 'XX')
-    return((leftPStress * 0.5 * pThickness[stringerNo - 1] * pWidth + rightPStress * 0.5 * pThickness[stringerNo]*pWidth + avgStringerStress * areaStringer) / (areaStringer + 0.5*pThickness[stringerNo-1] * pWidth + 0.5 * pThickness[stringerNo]*pWidth))
-
-
-def GetSigCrip(stringerNo, Loadcase): ## unfinished, need to understand x claulcation still a bit
-    x = (dim1/dim2)*math.sqrt(sYield/(3.60*Ebasis))
-    
-    if(0.4 <= x <= 1.095):
-        alpha = 1.4 - 0.628 * x
-    elif(1.095 < x <= 1.633):
-        alpha = 0.78/x
-    elif(x > 1.633):
-        alpha = 0.69/(x**0.75)
-    else:
-        alpha = 1
-    
-    
-    sigCrip12 = alpha * sYield
-    
-    x = (dim4/dim2)*math.sqrt(sYield/(3.60*Ebasis))
-    
-    if(0.4 <= x <= 1.095):
-        alpha = 1.4 - 0.628 * x
-    elif(1.095 < x <= 1.633):
-        alpha = 0.78/x
-    elif(x > 1.633):
-        alpha = 0.69/(x**0.75)
-    else:
-        alpha = 1
-    
-    
-    sigCrip24 = alpha * sYield
-    
-    x = (dim3/dim2)*math.sqrt(sYield/(3.60*Ebasis))
-    
-    if(0.4 <= x <= 1.095):
-        alpha = 1.4 - 0.628 * x
-    elif(1.095 < x <= 1.633):
-        alpha = 0.78/x
-    elif(x > 1.633):
-        alpha = 0.69/(x**0.75)
-    else:
-        alpha = 1
-    
-    sigCrip23 = alpha * sYield
-    # i know this is inefficient and shittily as hell!! its quick and dirty tho
-    # TODO: FIX!!
-    sigCripAVG = (sigCrip12 * dim1 * dim2 + sigCrip23 * dim2 * dim3 + sigCrip24 * dim2 * dim4)/(dim1 * dim2 + dim2 * dim3 + dim2 * dim4)
-    
-    if(sigCripAVG < sYield):
-        return sigCripAVG
-    else:
-        return sYield
-
-
-def kBiax(panelNo,Loadcase):
-    beta = GetAvgStressofPanel(panelNo, Loadcase, 'YY')/GetAvgStressofPanel(panelNo, Loadcase, 'XX')
-    kSigX = 100000000
-    for m in range(1, 10):
-        for n in range(1, 100):
-            kTemp = (m*m+n*n*alpha*alpha)*(m*m+n*n*alpha*alpha)/(alpha*alpha*(m*m+beta*n*n*alpha*alpha))
-            if(0 < kTemp < kSigX):
-                kSigX = kTemp
-    return(kSigX)
-
-
-def RF_panel(panelNo, Loadcase):
-    sE = ((pThickness[panelNo-1]/pWidth)**2) * Ebasis * math.pi * math.pi / (12*(1-(0.34*0.34)))
-    #print(sE)
-    rfBiax = (kBiax(panelNo, Loadcase)*sE)/abs(1.5*GetAvgStressofPanel(panelNo, Loadcase, 'XX'))
-    rfShear = (kShear*sE)/abs(1.5*GetAvgStressofPanel(panelNo, Loadcase, 'XY'))
-    result = 1 / ( (1 / rfBiax) + (1 / (rfShear*rfShear)))
-    #print(rfBiax)
-    #print(rfShear)
-    return(result)
-
-
-def GetLambda(stringerNo):
-    I_comb = GetIcomb(i)
-    r_gyr = math.sqrt(I_comb/(areaStringer + 0.5 * pThickness[i] * pWidth + 0.5 * pThickness[i+1] * pWidth))
-    c = 1
-    return(1*pLength/r_gyr)
-
-
-def GetSigCRIT(stringerNo, Loadcase):
-    sLambda_crit = math.sqrt((2*math.pi*math.pi*Ebasis)/GetSigCrip(i,0))
-    if(GetLambda(stringerNo)<sLambda_crit):
-        return(GetSigCrip(stringerNo, Loadcase) - ((1/Ebasis)*((GetSigCrip(stringerNo, Loadcase)/(2*math.pi))**2)*(GetLambda(stringerNo)**2)))
-    else:
-        return((math.pi**2)*Ebasis / (GetLambda(stringerNo) ** 2))
-
-
-def GetRFstringer(stringerNo, Loadcase):
-    return(abs(GetSigCRIT(stringerNo, Loadcase)/(1.5*GetCombAvgStressofStringer(stringerNo, Loadcase))))
-
-def GetCrosssectionValues(i):
-    I_comb = GetIcomb(i)
-    r_gyr = math.sqrt(I_comb/(areaStringer + 0.5 * pThickness[i] * pWidth + 0.5 * pThickness[i+1] * pWidth))
-    c = 1
-    sLambda = c*pLength/r_gyr
-    sLambda_crit = math.sqrt((2*math.pi*math.pi*Ebasis)/GetSigCrip(i, 0)) # IMPORTANT THIS IS ONLY FOR S crip above 490
-    return(str(I_comb) + "," + str(r_gyr) + "," + str(sLambda) + "," + str(sLambda_crit))
-
-
-def GetIcomb(i):
-    wing_1_w = pWidth/2
-    wing_2_w = pWidth/2
-
-    wing_1_t = pThickness[i]
-    wing_2_t = pThickness[i+1]
-
-
-    z1 = -dim1/2
-    z3 = -(dim1-(dim2/2))
-    z4 = -dim2/2
-
-    y1 = ((dim3/2)-(dim2/2))
-    y3 = 0
-    y4 = dim3+(dim4/2)
-
-    zw_1 = wing_1_t/2
-    zw_2 = wing_2_t/2
-
-    yw_1 = 50
-    yw_2 = -50
-
-
-    a1 = dim1*dim2
-    a3 = dim2*(dim3-dim2-dim2)
-    a4 = dim4*dim2
-
-    aw_1 = wing_1_w * wing_1_t
-    aw_2 = wing_2_t * wing_2_w
-
-    Iyy1 = (dim2*(dim1**3))/12
-    Izz1 = (dim1*(dim2**3))/12
-
-    Iyy3 = ((dim3-dim2-dim2)*(dim2**3))/12
-    Izz3 = (((dim3-dim2-dim2)**3)*(dim2))/12
-
-    Iyy4 = (dim4*(dim2**3))/12
-    Izz4 = (dim2*(dim4**3))/12
-
-    Iw_1_yy = (wing_1_w*(wing_1_t**3))/12
-    Iw_1_zz = (wing_1_t*(wing_1_w**3))/12
-
-    Iw_2_yy = (wing_2_w*(wing_2_t**3))/12
-    Iw_2_zz = (wing_2_t*(wing_2_w**3))/12
-
-
-    z_c = (z1*a1+z1*a1+z3*a3+z4*a4+z4*a4+zw_1*aw_1+zw_1*aw_2)/(a1+a1+a3+a4+a4+aw_1+aw_2)
-    y_c = (-y1*a1+y1*a1+y3*a3+(-y4*a4)+y4*a4+yw_1*aw_1+yw_2*aw_2)/(a1+a1+a3+a4+a4+aw_1+aw_2)
-
-    Iyy = (Iyy1+((z1-z_c)**2)*a1)+(Iyy1+((z1-z_c)**2)*a1)+(Iyy3+((z3-z_c)**2)*a3)+(Iyy4+((z4-z_c)**2)*a4)+(Iyy4+((z4-z_c)**2)*a4)+(Iw_1_yy+((zw_1-z_c)**2)*aw_1)+(Iw_2_yy+((zw_2-z_c)**2)*aw_2)
-    Izz = (Izz1+((y1-y_c)**2)*a1)+(Izz1+((-y1-y_c)**2)*a1)+(Izz3+((y3-y_c)**2)*a3)+(Izz4+((y4-y_c)**2)*a4)+(Izz4+((-y4-y_c)**2)*a4)+(Iw_1_zz+((yw_1-y_c)**2)*aw_1)+(Iw_2_zz+((yw_2-y_c)**2)*aw_2)
-
-
-    if(Iyy > Izz):
-        return(Izz)
-    else:
-        return(Iyy)
-
-
-
-
-
-
-
-for u in range(modAmount):
-    isWithinRF = 1
-    
-    panel = 'panel_val_' + str(u) +'.csv'
-    stringer = 'stringer_val_' + str(u) + '.csv'
-    
-    # dimensions
-    pThickness = [pThickness_01[u], pThickness_02[u], pThickness_03[u], pThickness_04[u], pThickness_05[u],  pThickness_05[u],  pThickness_04[u],  pThickness_03[u],  pThickness_02[u],  pThickness_01[u]]
-    pWidth = pWidth_0[u]
-    pLength = pLength_0[u]
-
-    dim1 = dim1_0[u]
-    dim2 = dim2_0[u]
-    dim3 = dim3_0[u]
-    dim4 = dim4_0[u]
-
-    areaStringer = dim4 * dim2 * 2 + (dim1 - dim2) * dim2 * 2 + dim3 * dim2
-    
-    print("\n\n" + Back.CYAN + "Calculations for iteration " + str(u) + Style.RESET_ALL)
-    print("\n Panel Thickness 1 & 10: " + str(pThickness[0]) + "\n Panel Thickness 2 & 9: " + str(pThickness[1]) + "\n Panel Thickness 3 & 8: " + str(pThickness[2]) + "\n Panel Thickness 4 & 7: " + str(pThickness[3]) + "\n Panel Thickness 5 & 6: " + str(pThickness[4]) + "\n Panel Width: " + str(pWidth) + "\n Panel Length: " + str(pLength) + "\n\n Dim 1: " + str(dim1) + "\n Dim2: " + str(dim2) + "\n Dim 3: "+ str(dim3) + "\n Dim 4: "+ str(dim4))
-    
-    #print("\n Panel Offset: " + str(pThickness/2) + "\n Stringer Offset: " + str(dim1/2))
-
-    mass = density*(areaStringer*pLength*9) # + 10*pWidth*pThickness*pLength)
-    for i in range(10):
-        mass = mass + pWidth*pThickness[i]*density*pLength
-    if(mass<mass_limit):
-        print("\n\n Mass: " + Back.GREEN + str(mass) + Style.RESET_ALL)
-    else:
-        print("\n\n Mass: " + Back.RED + str(mass) + Style.RESET_ALL)
-        isWithinRF = 0
-    
-    # REMEMBER SAFETY FACTOR OF 1.5 ALREADY INCLUDED
-    # RF calculator for panels
-    for c in range(1,4):
-        print("\nPanel RF for loadcase " + str(c))
-        for i in range(1, 31):
-            w = sUlt/GetValueofElement(i,c,'vonMises',panel)
-            if(w>1):
-                print(Back.GREEN + str(w) + Style.RESET_ALL)
-            else:
-                print(Back.RED + str(w) + Style.RESET_ALL)
-                isWithinRF = 0
-
-    print(" ")
-    # RF calculator for stringers
-    for c in range(1,4):
-        print("\nStringer RF for loadcase " + str(c))
-        for i in range(40,67):
-            w = abs(sUlt/GetValueofElement(i,c,axial,stringer))
-            if(w>1):
-                print(Back.GREEN + str(w) + Style.RESET_ALL)
-            else:
-                print(Back.RED + str(w) + Style.RESET_ALL)
-                isWithinRF = 0
-
-    # Stability Analysis
-    print("\n\nStability Analysis\nPanel buckling")
-    # Panel buckling
-    # sig_aa,avg calculator
-    alpha = pLength/pWidth
-    kShear = 5.34 + 4/(alpha*alpha)
-    for c in range(1,4):
-        print("\nLoadcase " + str(c) + "\nAverage stress for panels 1 to 5 - XX, YY, XY - k_shear, k_biax, RF_panelbuckl")
-        for i in range(1,6):
-            w = RF_panel(i,c)
-            if(w>1):
-                w = Back.GREEN + str(w) + Style.RESET_ALL
-            else:
-                w = Back.RED + str(w) + Style.RESET_ALL
-                isWithinRF = 0
-                
-            print(str(GetAvgStressofPanel(i, c, 'XX')) + "," + str(GetAvgStressofPanel(i, c, 'YY')) + "," + str(GetAvgStressofPanel(i, c, 'XY')) + "," + str(kShear) + "," + str(kBiax(i, c)) + "," + str(w))
-
-    # Stringer buckling
-    print("\n\nStringer buckling")
-    for c in range(1,4):
-        print("\nLoadcase " + str(c) + "\nCombined, average axial stress for stringers 1 to 5")
-        for i in range(1,6):
-            w = GetRFstringer(i,c)
-            if(w>1):
-                w = Back.GREEN + str(w) + Style.RESET_ALL
-            else:
-                w = Back.RED + str(w) + Style.RESET_ALL
-                isWithinRF = 0
-                
-            
-            print(str(GetCombAvgStressofStringer(i,c)) + "," + str(GetSigCrip(i, c)) + "," + str(w)) # no longer slightly off, RF stringer calc still wrong?
-
-    # combined crosssection properties for combined buckling mode
-    print("\n\nCombined crosssection properties for combined buckling")
-    for i in range(5):
-        print(GetCrosssectionValues(i))
-    
-    if(isWithinRF == 1):
-        print("\n\n"  + Back.GREEN + str(u) + " WORKS!" + Style.RESET_ALL)
-    else:
-        print("\n\n"  + Back.RED + str(u) + " FAILURE!" + Style.RESET_ALL)
-        
-    #print(GetIcomb())
-
-
-## OVERVIEW OF TODO:
+import math
+import csv
+from colorama import just_fix_windows_console
+just_fix_windows_console()
+from colorama import Fore, Back, Style
+
+# 
+# HELLO MODIFY THIS!
+#
+#Hello there! Modify this!
+#INITIAL SET UP
+Ebasis = 65500.00
+mass_limit = 28.000
+
+#MODIFY THIS EVERY NEW ITERATION
+modAmount = 2 # amount of results you want to iterate through (starts at panel_val_0 and goes to this value minus one)
+# So the highest x of panel_val_x with one added to it. (modAmount = 1 only runs panel_val_0, modAmount = 3 runs through panel_val_0, 1 and 2)
+
+#                 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16
+pThickness_01 = [ 4, 5] # panel 1 and 10
+pThickness_02 = [ 4, 5] # panel 2 and 9
+pThickness_03 = [ 4, 5] # panel 3 and 8
+pThickness_04 = [ 4, 5] # panel 4 and 7
+pThickness_05 = [ 4, 6] # panel 5 and 6
+
+#         0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16
+dim1_0 = [25,70]
+dim2_0 = [ 2, 2]
+dim3_0 = [20,10]
+dim4_0 = [15,15]
+
+
+# BELOW THIS NOTHING NEEDS TO BE MODIFIED
+
+def GetValueofElement(ElementID, Loadcase, Valuetype, Fileadress):
+    FindTitle = False
+    intiated = False
+    with open(Fileadress, newline='') as csvfile:
+        reader = csv.reader(csvfile, delimiter=',', quotechar="'")
+        for row in reader:
+            values = row
+            #print(values)
+            if intiated:
+                if str(values[ElemID_ID]) == str(ElementID) and str(values[Loadcase_ID])==str(Loadcase):
+                    return float(values[Value_ID])*1.5 #Safety Factor here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+            if FindTitle:
+                #print(str(values))
+                Header = values
+                ElemID_ID = Header.index("Elements")
+                Loadcase_ID = Header.index("Loadcase")
+                Value_ID = Header.index(Valuetype)
+                FindTitle = False
+                intiated = True
+            if len(values)==0:
+                FindTitle=True
+        return None
+
+#CONSTANTS
+axial = 'Element Stresses (1D):CBAR/CBEAM Axial Stress'
+# material properties
+sUlt = 530
+sYield = 490
+density = 2.7 * (10 ** -6) #2.7*10^-9 in t/mm^3
+
+pWidth_0 = [200,200,200,200,200,200,200,200,200,200,200,200,200,200]
+pLength_0 = [750,750,750,750,750,750,750,750,750,750,750,750,750]
+
+def GetAvgStressofPanel(panelNo, Loadcase, ValueType):
+    id = panelNo * 3 - 2
+    return (GetValueofElement(id, Loadcase, ValueType, panel) + GetValueofElement(id+1, Loadcase, ValueType, panel) + GetValueofElement(id+2, Loadcase, ValueType, panel))/(3*1.5)
+
+
+def GetCombAvgStressofStringer(stringerNo, Loadcase):
+    id = stringerNo  * 3 - 3 + 40
+    avgStringerStress = (GetValueofElement(id, Loadcase, axial, stringer) + GetValueofElement(id+1, Loadcase, axial, stringer) + GetValueofElement(id+2, Loadcase, axial, stringer))/(3*1.5)
+    leftPID = stringerNo
+    rightPID = stringerNo + 1
+    leftPStress = GetAvgStressofPanel(leftPID, Loadcase, 'XX')
+    rightPStress = GetAvgStressofPanel(rightPID, Loadcase, 'XX')
+    return((leftPStress * 0.5 * pThickness[stringerNo - 1] * pWidth + rightPStress * 0.5 * pThickness[stringerNo]*pWidth + avgStringerStress * areaStringer) / (areaStringer + 0.5*pThickness[stringerNo-1] * pWidth + 0.5 * pThickness[stringerNo]*pWidth))
+
+def GetAlpha(x):
+    if(0.4 <= x <= 1.095):
+        alpha = 1.4 - 0.628 * x
+    elif(1.095 < x <= 1.633):
+        alpha = 0.78/x
+    elif(x > 1.633):
+        alpha = 0.69/(x**0.75)
+    else:
+        alpha = 0
+    return(alpha)
+
+def GetSigCrip(stringerNo, Loadcase): ## unfinished, need to understand x claulcation still a bit
+    #use b1 and b2 for calc
+    #E_c = Ebasis
+    #no alpha = 1 it is none -> what do then? -> ignore that element in averaging
+    #averaging only with elements that cripple
+    #if  nothing cripples, use yield strength
+    b1 = dim1 - dim2
+    b2 = dim3 - dim2
+    
+    x1 = (b1/dim2)*math.sqrt(sYield/(3.60*Ebasis))
+    
+    alpha1 = GetAlpha(x1)
+    
+    #print("x12: " + str(x))
+    sigCrip1 = alpha1 * sYield
+    
+    x2 = (b2/dim2)*math.sqrt(sYield/(3.60*Ebasis))
+    
+    alpha2 = GetAlpha(x2)
+    
+    sigCrip2 = alpha2 * sYield
+
+    if(alpha1 != 0 and alpha2 != 0):
+        sigCripAVG = (sigCrip1 * b1 * dim2 + sigCrip2 * b2 * dim2 * 2)/(b1 * dim2 + b2 * dim2 * 2)
+    elif(alpha1 != 0):
+        sigCripAVG = (sigCrip1 * b1 * dim2)/(b1 * dim2)
+    elif(alpha2 != 0):
+        sigCripAVG = (sigCrip2 * b2 * dim2)/(b2 * dim2)
+    else:
+        sigCripAVG = sYield
+
+    # average only over what can buckle!!! F/A, A = sumOf(bi*ti)
+    return min(sigCripAVG, sYield)
+
+
+def kBiax(panelNo,Loadcase):
+    beta = GetAvgStressofPanel(panelNo, Loadcase, 'YY')/GetAvgStressofPanel(panelNo, Loadcase, 'XX')
+    kSigX = 100000000
+    for m in range(1, 10):
+        for n in range(1, 100):
+            kTemp = (m*m+n*n*alpha*alpha)*(m*m+n*n*alpha*alpha)/(alpha*alpha*(m*m+beta*n*n*alpha*alpha))
+            if(0 < kTemp < kSigX):
+                kSigX = kTemp
+    return(kSigX)
+
+
+def RF_panel(panelNo, Loadcase):
+    sE = ((pThickness[panelNo-1]/pWidth)**2) * Ebasis * math.pi * math.pi / (12*(1-(0.34*0.34)))
+    #print(sE)
+    rfBiax = (kBiax(panelNo, Loadcase)*sE)/abs(1.5*GetAvgStressofPanel(panelNo, Loadcase, 'XX'))
+    rfShear = (kShear*sE)/abs(1.5*GetAvgStressofPanel(panelNo, Loadcase, 'XY'))
+    result = 1 / ( (1 / rfBiax) + (1 / (rfShear*rfShear)))
+    #print(rfBiax)
+    #print(rfShear)
+    return(result)
+
+
+def GetLambda(stringerNo):
+    I_comb = GetIcomb(i)
+    r_gyr = math.sqrt(I_comb/(areaStringer + 0.5 * pThickness[i] * pWidth + 0.5 * pThickness[i+1] * pWidth))
+    c = 1
+    return(1*pLength/r_gyr)
+
+
+def GetSigCRIT(stringerNo, Loadcase):
+    sLambda_crit = math.sqrt((2*math.pi*math.pi*Ebasis)/GetSigCrip(i,0))
+    if(GetLambda(stringerNo)<sLambda_crit):
+        return(GetSigCrip(stringerNo, Loadcase) - ((1/Ebasis)*((GetSigCrip(stringerNo, Loadcase)/(2*math.pi))**2)*(GetLambda(stringerNo)**2)))
+    else:
+        return((math.pi**2)*Ebasis / (GetLambda(stringerNo) ** 2))
+
+
+def GetRFstringer(stringerNo, Loadcase):
+    return(abs(GetSigCRIT(stringerNo, Loadcase)/(1.5*GetCombAvgStressofStringer(stringerNo, Loadcase))))
+
+def GetCrosssectionValues(i):
+    I_comb = GetIcomb(i)
+    r_gyr = math.sqrt(I_comb/(areaStringer + 0.5 * pThickness[i] * pWidth + 0.5 * pThickness[i+1] * pWidth))
+    c = 1
+    sLambda = c*pLength/r_gyr
+    sLambda_crit = math.sqrt((2*math.pi*math.pi*Ebasis)/GetSigCrip(i, 0)) # IMPORTANT THIS IS ONLY FOR S crip above 490
+    return(str(I_comb) + "," + str(r_gyr) + "," + str(sLambda) + "," + str(sLambda_crit))
+
+
+def GetIcomb(i):
+    wing_1_w = pWidth/2
+    wing_2_w = pWidth/2
+
+    wing_1_t = pThickness[i]
+    wing_2_t = pThickness[i+1]
+
+
+    z1 = -dim1/2
+    z3 = -(dim1-(dim2/2))
+    z4 = -dim2/2
+
+    y1 = ((dim3/2)-(dim2/2))
+    y3 = 0
+    y4 = dim3+(dim4/2)
+
+    zw_1 = wing_1_t/2
+    zw_2 = wing_2_t/2
+
+    yw_1 = 50
+    yw_2 = -50
+
+
+    a1 = dim1*dim2
+    a3 = dim2*(dim3-dim2-dim2)
+    a4 = dim4*dim2
+
+    aw_1 = wing_1_w * wing_1_t
+    aw_2 = wing_2_t * wing_2_w
+
+    Iyy1 = (dim2*(dim1**3))/12
+    Izz1 = (dim1*(dim2**3))/12
+
+    Iyy3 = ((dim3-dim2-dim2)*(dim2**3))/12
+    Izz3 = (((dim3-dim2-dim2)**3)*(dim2))/12
+
+    Iyy4 = (dim4*(dim2**3))/12
+    Izz4 = (dim2*(dim4**3))/12
+
+    Iw_1_yy = (wing_1_w*(wing_1_t**3))/12
+    Iw_1_zz = (wing_1_t*(wing_1_w**3))/12
+
+    Iw_2_yy = (wing_2_w*(wing_2_t**3))/12
+    Iw_2_zz = (wing_2_t*(wing_2_w**3))/12
+
+
+    z_c = (z1*a1+z1*a1+z3*a3+z4*a4+z4*a4+zw_1*aw_1+zw_1*aw_2)/(a1+a1+a3+a4+a4+aw_1+aw_2)
+    y_c = (-y1*a1+y1*a1+y3*a3+(-y4*a4)+y4*a4+yw_1*aw_1+yw_2*aw_2)/(a1+a1+a3+a4+a4+aw_1+aw_2)
+
+    Iyy = (Iyy1+((z1-z_c)**2)*a1)+(Iyy1+((z1-z_c)**2)*a1)+(Iyy3+((z3-z_c)**2)*a3)+(Iyy4+((z4-z_c)**2)*a4)+(Iyy4+((z4-z_c)**2)*a4)+(Iw_1_yy+((zw_1-z_c)**2)*aw_1)+(Iw_2_yy+((zw_2-z_c)**2)*aw_2)
+    Izz = (Izz1+((y1-y_c)**2)*a1)+(Izz1+((-y1-y_c)**2)*a1)+(Izz3+((y3-y_c)**2)*a3)+(Izz4+((y4-y_c)**2)*a4)+(Izz4+((-y4-y_c)**2)*a4)+(Iw_1_zz+((yw_1-y_c)**2)*aw_1)+(Iw_2_zz+((yw_2-y_c)**2)*aw_2)
+
+
+    if(Iyy > Izz):
+        return(Izz)
+    else:
+        return(Iyy)
+
+
+
+
+
+
+
+for u in range(modAmount):
+    isWithinRF = 1
+    
+    panel = 'panel_val_' + str(u) +'.csv'
+    stringer = 'stringer_val_' + str(u) + '.csv'
+    
+    # dimensions
+    pThickness = [pThickness_01[u], pThickness_02[u], pThickness_03[u], pThickness_04[u], pThickness_05[u],  pThickness_05[u],  pThickness_04[u],  pThickness_03[u],  pThickness_02[u],  pThickness_01[u]]
+    pWidth = pWidth_0[u]
+    pLength = pLength_0[u]
+
+    dim1 = dim1_0[u]
+    dim2 = dim2_0[u]
+    dim3 = dim3_0[u]
+    dim4 = dim4_0[u]
+
+    areaStringer = dim4 * dim2 * 2 + (dim1 - dim2) * dim2 * 2 + dim3 * dim2
+    
+    print("\n\n" + Back.CYAN + "Calculations for iteration " + str(u) + Style.RESET_ALL)
+    print("\n Panel Thickness 1 & 10: " + str(pThickness[0]) + "\n Panel Thickness 2 & 9: " + str(pThickness[1]) + "\n Panel Thickness 3 & 8: " + str(pThickness[2]) + "\n Panel Thickness 4 & 7: " + str(pThickness[3]) + "\n Panel Thickness 5 & 6: " + str(pThickness[4]) + "\n Panel Width: " + str(pWidth) + "\n Panel Length: " + str(pLength) + "\n\n Dim 1: " + str(dim1) + "\n Dim2: " + str(dim2) + "\n Dim 3: "+ str(dim3) + "\n Dim 4: "+ str(dim4))
+    
+    #print("\n Panel Offset: " + str(pThickness/2) + "\n Stringer Offset: " + str(dim1/2))
+
+    mass = density*(areaStringer*pLength*9) # + 10*pWidth*pThickness*pLength)
+    for i in range(10):
+        mass = mass + pWidth*pThickness[i]*density*pLength
+    if(mass<mass_limit):
+        print("\n\n Mass: " + Back.GREEN + str(mass) + Style.RESET_ALL)
+    else:
+        print("\n\n Mass: " + Back.RED + str(mass) + Style.RESET_ALL)
+        isWithinRF = 0
+    
+    # REMEMBER SAFETY FACTOR OF 1.5 ALREADY INCLUDED
+    # RF calculator for panels
+    for c in range(1,4):
+        print("\nPanel RF for loadcase " + str(c))
+        for i in range(1, 31):
+            w = sUlt/GetValueofElement(i,c,'vonMises',panel)
+            if(w>1):
+                print(Back.GREEN + str(w) + Style.RESET_ALL)
+            else:
+                print(Back.RED + str(w) + Style.RESET_ALL)
+                isWithinRF = 0
+
+    print(" ")
+    # RF calculator for stringers
+    for c in range(1,4):
+        print("\nStringer RF for loadcase " + str(c))
+        for i in range(40,67):
+            w = abs(sUlt/GetValueofElement(i,c,axial,stringer))
+            if(w>1):
+                print(Back.GREEN + str(w) + Style.RESET_ALL)
+            else:
+                print(Back.RED + str(w) + Style.RESET_ALL)
+                isWithinRF = 0
+
+    # Stability Analysis
+    print("\n\nStability Analysis\nPanel buckling")
+    # Panel buckling
+    # sig_aa,avg calculator
+    alpha = pLength/pWidth
+    kShear = 5.34 + 4/(alpha*alpha)
+    for c in range(1,4):
+        print("\nLoadcase " + str(c) + "\nAverage stress for panels 1 to 5 - XX, YY, XY - k_shear, k_biax, RF_panelbuckl")
+        for i in range(1,6):
+            w = RF_panel(i,c)
+            if(w>1):
+                w = Back.GREEN + str(w) + Style.RESET_ALL
+            else:
+                w = Back.RED + str(w) + Style.RESET_ALL
+                isWithinRF = 0
+                
+            print(str(GetAvgStressofPanel(i, c, 'XX')) + "," + str(GetAvgStressofPanel(i, c, 'YY')) + "," + str(GetAvgStressofPanel(i, c, 'XY')) + "," + str(kShear) + "," + str(kBiax(i, c)) + "," + str(w))
+
+    # Stringer buckling
+    print("\n\nStringer buckling")
+    for c in range(1,4):
+        print("\nLoadcase " + str(c) + "\nCombined, average axial stress for stringers 1 to 5")
+        for i in range(1,6):
+            w = GetRFstringer(i,c)
+            if(w>1):
+                w = Back.GREEN + str(w) + Style.RESET_ALL
+            else:
+                w = Back.RED + str(w) + Style.RESET_ALL
+                isWithinRF = 0
+                
+            
+            print(str(GetCombAvgStressofStringer(i,c)) + "," + str(GetSigCrip(i, c)) + "," + str(w)) # no longer slightly off, RF stringer calc still wrong?
+
+    # combined crosssection properties for combined buckling mode
+    print("\n\nCombined crosssection properties for combined buckling")
+    for i in range(5):
+        print(GetCrosssectionValues(i))
+    
+    if(isWithinRF == 1):
+        print("\n\n"  + Back.GREEN + str(u) + " WORKS!" + Style.RESET_ALL)
+    else:
+        print("\n\n"  + Back.RED + str(u) + " FAILURE!" + Style.RESET_ALL)
+        
+    #print(GetIcomb())
+
+
+## OVERVIEW OF TODO:
 # - improve some sections of code with TODO
\ No newline at end of file