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fixed indeces of stringers

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Sasha 2025-07-03 19:05:38 +01:00
parent 8a58c99694
commit 2aa8abc1fb
1 changed files with 15 additions and 6 deletions
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21
aseredesign/aseredesign.py
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@ -147,19 +147,28 @@ def RF_panel(panelNo, Loadcase):
return(result) return(result)
def GetLambda(stringerNo): def GetLambda(i): # checked and correct
I_comb = GetIcomb(i) I_comb = GetIcomb(i)
r_gyr = math.sqrt(I_comb/(areaStringer + 0.5 * pThickness[i] * pWidth + 0.5 * pThickness[i+1] * pWidth)) r_gyr = math.sqrt(I_comb/(areaStringer + 0.5 * pThickness[i] * pWidth + 0.5 * pThickness[i+1] * pWidth))
c = 1 c = 1
return(1*pLength/r_gyr) sLambda = c*pLength/r_gyr
return(sLambda)
def GetSigCRIT(stringerNo, Loadcase): def GetSigCRIT(stringerNo, Loadcase):
sLambda_crit = math.sqrt((2*math.pi*math.pi*Ebasis)/GetSigCrip(i,0)) sLambda_crit = math.sqrt((2*math.pi*math.pi*Ebasis)/GetSigCrip(stringerNo,Loadcase))
if(GetLambda(stringerNo)<sLambda_crit): # Lambda_crit correct
return(GetSigCrip(stringerNo, Loadcase) - ((1/Ebasis)*((GetSigCrip(stringerNo, Loadcase)/(2*math.pi))**2)*(GetLambda(stringerNo)**2))) hSigCrip = GetSigCrip(stringerNo, Loadcase)
# SigCrip correct!!
hLambda = GetLambda(stringerNo-1)
#print("Lmabda: " + str(hLambda))
# ISSUE HERE - Lambda off from results
# no double checking now
if(hLambda<sLambda_crit):
return(hSigCrip - ((1/Ebasis)*((hSigCrip/(2*math.pi))**2)*(hLambda**2)))
else: else:
return((math.pi**2)*Ebasis / (GetLambda(stringerNo) ** 2)) return((math.pi**2)*Ebasis / (hLambda ** 2))
def GetRFstringer(stringerNo, Loadcase): def GetRFstringer(stringerNo, Loadcase):