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Structural

Statically inteterminate reaction force analysis VM001

An assembly of three cylinder bars is supported at both end surfaces. Forces \(F_{1}\) and \(F_{2}\) is applied on the middle of the assembly as shown in Figure [fig:ch5_vm_001_schematic].

finite_element_analysis_welsim_verification_1_schematic

The input data about material, geometry, and loads are given in Table [tab:ch5_vm_001_parameters].

Material Properties Geometric Properties Boundary Conditions
Young's Modulus E=2e11 h=10 \(F_{1}\)=2000
Mass Density \(\rho\)=7850 a=3 \(F_{2}\)=1000
Poission's Ratio v=0.3 b=3

The geometries and imposed boundary conditions are shown in Figure [fig:ch5_vm_001_bc].

finite_element_analysis_welsim_verification_1_geometry

The result comparison is given in Table [tab:ch5_vm_001_result].

Results Theory WELSIM Error (%)
Z Reaction Force at Top Fixed Support 1800 1810 0.556
Z Reaction Force at Bottom Fixed Support 1200 1202 0.167

This test case project file is located at [vm/VM_WELSIM_001.wsdb].

Rectangular plate with circular hole subjected to tensile pressure VM002

A rectangular plate with a circular hole is fixed along one of the end faces. A tensile pressure load is imposed on another end face as shown in Figure [fig:ch5_vm_002_schematic].

finite_element_analysis_welsim_verification_2_schematic

The input data about material, geometry, and loads are given in Table [tab:ch5_vm_002_parameters].

Material Properties Geometric Properties Boundary Conditions
Young's Modulus E=2e11 a=15 Pressure P=1e4
Poission's Ratio v=0.3 b=7.5
c=2.5
d=5
thickness=1

The geometries and imposed boundary conditions are shown in Figure [fig:ch5_vm_002_bc].

finite_element_analysis_welsim_verification_2_geometry

The result comparison is given in Table [tab:ch5_vm_002_result].

Results Theory WELSIM Error (%)
Maximum Normal X Stress 3.125e4 3.156e4 0.992

This test case project file is located at %Installation Directory%/vm/VM_WELSIM_002.wsdb.