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ARCH_BUCK
  Sheldon Imaoka (CSI)
  Buckling of arch (example of use of pressure load stiffness matrix)
For many eigenvalue (and nonlinear) buckling problems, inclusion of the pressure load stiffness matrix (BEAM188/189, SHELL181, SURF154) significantly affects results. For nonlinear buckling problems, this may also affect convergence rate.
* Theoretical: 771.12
* SHELL93 only (1st eig 840.73)
* SHELL181 only (1st eig 771.72)
* SHELL93 & SURF154 (1st eig 771.07)
* SHELL93 & SURF154, face 4 (1st eig 840.78)
Change "COMPTYPE" parameter to run above 4 cases.
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Average Rating: 9.1 (434 votes)  
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Analysis Of Reinforced Concrete Structures Using ANSYS Nonlinear Concrete Model
  Antonio F. Barbosa and Gabriel O. Ribeiro
  "This paper considers the practical application of nonlinear models in the analysis of reinforced concrete structures. The results of some analyses performed using the reinforced concrete model of the general purpose finite element code ANSYS are presented and discussed."
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Average Rating: 9.0 (178 votes)  
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BALLSHEAR
  Steve Groothuis (Micron Technology, Inc.)
  "I have uploaded a nice mechanical contact problem using solder and a shearing ram (original work is found in Huang, et al. ECTC paper). That paper spells out the material properties necessary to perform a rate-dependent mechanical load using ANSYS. Compare the paper's Figure 3 with the /POST26 plvar plot (excellent correlation with minimal data)."
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Average Rating: 9.5 (175 votes)  
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SPHERE
  Sheldon Imaoka (CSI)
  Example of acoustic radiating sphere. Comparison w/ hand calculations.
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Average Rating: 8.8 (154 votes)  
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CONTACT_SHELL
  Sheldon Imaoka (CSI)
  Shows rigid-flexible contact w/ shell offset.
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Average Rating: 9.2 (129 votes)  
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IBEAM_188
  Sheldon Imaoka (CSI)
  Lateral torsional buckling (example of use of WARP DOF for BEAM188/189)
For an I-beam, considering WARP DOF (in 5.6) is important (i.e., unrestrained or restrained warping). Consider the I-beam modeled with BEAM188 elements or with SHELL181:
* BEAM188 (Unrestrained warping) -- 387.3
* BEAM188 (Restrained warping) -- 569.6
* SHELL181 (concentrated load) -- 560.8
* SHELL181 (distributed load) -- 564.1 (similar to beam case)
This input file uses BEAM188.
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Average Rating: 9.0 (125 votes)  
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CYC_PRINC
  Christian Semler (Mechanical Dynamics Ltd.)
  "Here is an input file which computes principal stresses for a particular sector from a cyclic symmetry analysis, on all corner nodes, without using the /CYCEXPAND command. This enables the use of the *VGET command, so further manipulations are possible."
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Average Rating: 9.3 (120 votes)  
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ANS2ABA
  Dave Lindeman (3M)
  This macro (actually, an input file of an ABAQUS verification problem) provides an example of using ANSYS to preprocess and write out an ABAQUS input deck. From the author: "Note that this is an APDL script that illustrates a translation procedure and NOT an independent macro (i.e., this is just a starting place for others -- customization IS required)."
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Average Rating: 10.0 (109 votes)  
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WELD
  Karen Dhuyvetter (CSI)
  Transient analysis of a weld (phase change analysis)
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Average Rating: 9.5 (102 votes)  
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IBEAM_181
  Sheldon Imaoka (CSI)
  Lateral torsional buckling (example of use of WARP DOF for BEAM188/189)
For an I-beam, considering WARP DOF (in 5.6) is important (i.e., unrestrained or restrained warping). Consider the I-beam modeled with BEAM188 elements or with SHELL181:
* BEAM188 (Unrestrained warping) -- 387.3
* BEAM188 (Restrained warping) -- 569.6
* SHELL181 (concentrated load) -- 560.8
* SHELL181 (distributed load) -- 564.1 (similar to beam case)
This input file uses SHELL181.
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Average Rating: 9.3 (97 votes)  
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