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Unformatted text preview: ysis Type(s): Static Analysis (ANTYPE = 0) Element Type(s): 3-D 20-Node Structural Solid Elements (SOLID95) 3-D 20-Node Structural Solid Elements (SOLID186) Input Listing: vm210.dat Test Case For an elastic beam subjected to pure bending, validate the use of pyramids in a tetrahedron to hexahedron interface. Find the axial stress at the top, midplane, and bottom surfaces. Figure 210.1 Tetrahedron to Hexahedron Interface Problem Sketch Material Properties E = 30E6 υ = 0.3 Geometric Properties W = 31.071 H = 33.917 L = 37.264 Loading at z = 0, L area pressure load sf gradient: (-0.18979 at y = H/2) (0.18979 at y = -H/2) Analysis Assumptions and Modeling Notes The problem is solved in two different ways: • using 3-D solid elements (SOLID95) • using 3-D solid elements (SOLID186) The model is generated using the block primitive which is divided into 8 sub-blocks. The pyramid interface is created by meshing the hexahedra first, followed by the tetrahedra. The working plane describes the hex-tet interface region. ANSYS Verification...
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This note was uploaded on 12/09/2010 for the course DEPARTMENT E301 taught by Professor Kulasinghe during the Spring '09 term at University of Peradeniya.

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