OS-V: 0060 Thick Plate Pressure

Test No. LE10 The model is a thick plate subjected to uniform normal pressure of 1 MPa on the upper surface of the plate. OptiStruct examines the direct stress σ y y at the point D for linear static analysis.

Figure 1. FE Model with Boundary Conditions and Loadcases

Model Files

Before you begin, copy the file(s) used in this problem to your working directory.

Benchmark Model

Second order Hexahedral, Penta and Tetra elements are used to create the coarse and fine mesh. A uniform pressure of 1 MPa is applied on the upper surface of the plate.

The material properties are:
Material Properties
Young's Modulus
210 x 103 MPa
Poisson's Ratio

Linear Static Analysis Results

All results are normalized with the target value (5.38 MPa).
  Direct Stress σ y y at Point D (MPa) Normalized with the Target Value
Solid Hexahedral:    
Hex20 coarse 5.32 1.011278195
Hex20 fine 5.58 0.964157706
Solid Wedges:    
Penta15 coarse 5.9484.91 1.10557620895723014
Penta15 fine 5.94 0.905723906
Solid Tetrahedral:    
Tetra10 coarse 5.741 0.937118969
Tetra10 fine 5.029 1.069795188


NAFEMS R0015 - Selected benchmarks for natural frequency analysis