Simulation > Verification Guide—Creo Simulation Live and Creo Ansys Simulation > Verification Cases—Static Structural Analyses
Verification Cases—Static Structural Analyses
Rectangular Plate with Circular Hole Subjected to Tensile Loading
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 Pa
Poisson’s ratio ν = 0.0
Length = 15 m
Width = 5 m
Thickness = 1 m
Hole radius = 0.5 m
Pressure = -100 Pa
Result Comparison—Simulation quality slider at default position
Results
Target
Creo Simulate
Ansys Discovery Explore
Creo Simulation Live
Percent Error
Maximum Normal X Stress (Pa)
312.5
313.272
320.45
317.29
1.53
Result Comparison—Simulation quality slider at maximum position
Results
Target
Creo Simulate
Ansys Discovery Explore
Creo Simulation Live
Percent Error
Maximum Normal X Stress (Pa)
312.5
313.272
319.34
327.82
4.90
Results Comparison for Creo Ansys Simulation
(Default mesh resolution with face size = 0.15 m on hole surface and using the Curvature and proximity size function method)
Results
Target
Ansys Discovery Refine
Creo Ansys Simulation
Percent Error
Maximum Normal X Stress (Pa)
312.5
310.00
309.26
1.04
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 psi
Poisson’s ratio ν = 0.3
D = 8 in
h = 3 in
r = 1 in
Pressure = -1000 psi
Result Comparison—Simulation quality slider at default position
Results
Target
Creo Simulate
Ansys Discovery Explore
Creo Simulation Live
Percent Error
Maximum Normal Y Stress (psi)
1376
1422.63
1518.10
1520.31
10.49
Results Comparison for Ansys Discovery Refine and Creo Ansys Simulation (Highest Mesh resolution)
Results
Target
Ansys Discovery Refine
Creo Ansys Simulation
Percent Error
Maximum Normal Y Stress (psi)
1376
1410.00
1415.49
2.87
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 psi
Poisson’s ratio ν = 0.3
L = 10 in
d = 2 in
F = 10000 lbf
Result Comparison—Simulation quality slider at default position.
Results
Target
Creo Simulate
Ansys Discovery Explore
Creo Simulation Live
Percent Error
Directional Deformation Y (in)
0.0048077
0.0048156
0.00481
0.00481
0.05
Normal Stress Y at L/2 (psi)
4444
4439.45
4376.6
4399.7
0.99
Results Comparison for Ansys Discovery Refine and Creo Ansys Simulation (Default mesh)
Results
Target
Ansys Discovery Refine
Creo Ansys Simulation
Percent Error
Directional Deformation Y (in)
0.0048077
0.0048262
0.0048262
0.38
Normal Stress Y at L/2 (psi)
4444
4487.1
4578.60
3.03
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 psi
Poisson’s ratio ν = 0.3
Diameter = 30 in
Thickness = 0.25 in
P = 3 psi
Results—Simulation quality slider at default position
Result Comparison—Simulation quality slider at maximum position for an RTX4000 graphics card
Results
Target
Creo Simulate
Ansys Discovery Explore
Creo Simulation Live
Percent Error
Deflection centre of plate, in.
0.0553
0.0549
0.0552
0.0551
0.31
Results Comparison for Creo Ansys Simulation (Highest Mesh resolution)
Results
Target
Ansys Discovery Refine
Creo Ansys Simulation
Percent Error
Deflection center of plate, (in)
0.0553
0.0551
0.0550
0.47
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