> > Verification Cases for Creo Simulation Live—Static Structural Analyses

Verification Cases for Creo Simulation Live—Static Structural Analyses
Problem Statement: A rectangular plate with a circular hole is fixed along one of the end-faces, and a tensile pressure load is applied on the opposite face. Find the maximum normal stress in the X- direction on the cylindrical surfaces of the hole. References:
J. E. Shigley, Mechanical Engineering Design, McGraw-Hill, 1st Edition, 1986, Table A-23, Figure A-23-1, pg. 673
 Material Properties Geometric Properties Loading Young’s modulus E = 1000 PaPoisson’s ratio ν = 0.0 Length = 15 mWidth = 5 mThickness = 1 mHole radius = 0.5 m Pressure = -100 Pa
Result Comparison—Simulation quality slider at default position
 Results Target Creo Simulate ANSYS Discovery Live Creo Simulation Live Percent Error Maximum Normal X Stress (Pa) 312.5 313.272 296.5 283.7 9.22
Result Comparison—Simulation quality slider at maximum position
 Results Target Creo Simulate ANSYS Discovery Live Creo Simulation Live Percent Error Maximum Normal X Stress (Pa) 312.5 313.272 337.8 313.6 0.36
Stepped Shaft in Axial Tension
Problem Statement: Consider a stepped shaft under an applied axial load of 1000 psi on the smaller cross section of the shaft, compute the stress concentration based on the fillet radius at the step as shown below: References:Roark’s Formulas for Stress and Strain, Warren C. Young and Richard G. Budynas,2002
 Material Properties Geometric Properties Loading Young’s modulus E= 2.9008e7 psiPoisson’s ratio ν = 0.3 D = 8 inh = 3 inr = 1 in Pressure = -1000 psi
Result Comparison—Simulation quality slider at default position Results Target Creo Simulate ANSYS Discovery Live Creo Simulation Live Percent Error Maximum Normal Y Stress (psi) 1376 1422.63 1497.7 1500 9.01
Elongation of a Solid Bar
Problem Statement: A tapered aluminum alloy bar of square cross-section and length L is suspended from a ceiling. An axial load F is applied to the free end of the bar. Determine the maximum axial deflection d in the bar and the axial stress σy at mid-length (Y = L/2). References: C. O. Harris, Introduction to Stress Analysis, The Macmillan Co., New York, NY, 1959,pg. 237, problem 4
 Material Properties Geometric Properties Loading Young’s modulus E=10.4e6 psiPoisson’s ratio ν = 0.3 L = 10 ind = 2 in F = 10000 lbf
Result Comparison—Simulation quality slider at default position
 Results Target Creo Simulate ANSYS Discovery Live Creo Simulation Live Percent Error Directional Deformation Y (in) 0.0048077 0.0048156 0.004807 0.004807 0.015 Normal Stress Y at L/2 (psi) 4444 4439.45 4432 4430 0.31
Circular Plate under Uniform Pressure
Problem Statement: Consider a circular plate with fixed edges under a uniformly distributed pressure load. Find the maximum deflection in the centre of the plate. References: R. J. Roark, W. C. Young,​Formulas for Stress and Strain, McGraw-Hill Book Co., Inc.,New York, NY, 1975, Table 24.
 Material Properties Geometric Properties Loading Young’s modulus E= 30e6 psiPoisson’s ratio ν = 0.3 Diameter = 30 inThickness = 0.25 in P = 3 psi
Results—Simulation quality slider at default position Result Comparison—Simulation quality slider at maximum position for an M2000 graphics card
 Results Target Creo Simulate ANSYS Discovery Live Creo Simulation Live Percent Error Deflection centre of plate, in. 0.0553 0.0549 0.0515 0.0515 6.87
Result Comparison—Simulation quality slider at maximum position for a P4000 graphics card
 Results Target Creo Simulate ANSYS Discovery Live Creo Simulation Live Percent Error Deflection centre of plate, (in.) 0.0553 0.0549 0.0534 0.0534 3.43