- Abaqus: 6.14, 2016, 2017, 2018 and 2019
- Duration: 3 hours
- Language: Chinese, English, French
- Target audience: Engineering graduate students (Master, PhD) and other Abaqus end-users with at least 3 to 6 months experience using Abaqus
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Skills tested:
- Manage both linear and nonlinear static analyses using beams, continuum elements and shell elements. Only geometric and plasticity nonlinearities are considered.
- Manage various loading, boundary conditions and unit issues. May involve constraints such as “Rigid Body” and/or «Tie constraints»
- Investigate different output variables: displacements, reaction forces, averaged and non-averaged stresses and strains expressed as a function of the time increment. May involve local coordinate systems.
- Recommended preparation course: Introduction to Abaqus
- Exam description: this exam includes several problem sets focusing on modeling and post-processing of basic to intermediate structures. it includes also multiple choice questions on Abaqus knowledge.
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Topics covered:
- Working with beam, shell and solid continuum elements
- Defining static linear and nonlinear analysis study
- Applying loads and boundary conditions
- Understanding results
- Knowledge of element library, contact interaction algorithms, metal plasticity, multistep
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Problem set 1: Build a FE model of a straight beam for which no geometry and mesh are provided.
- The participant will create a simple model with beam elements, manage units, various loadings, boundary conditions and run a linear static analysis. The participant will have to explore the main output variables globally and at specific points.
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Problem set 2: Run a Python script to generate a crane model consisting of beam elements. Boundary conditions are predefined in the script. Then run a second analysis to extract the Eigenfrequencies.
- The participant will run the supplied script to generate the FE model, define loading and boundary conditions. The main skills examined in this section are results exploration and interpretation.
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Problem set 3: build a FE model of a shell structure for which no geometry and mesh are provided.
- The participant will create a simple model meshed with shell elements, run a linear static analysis and a nonlinear static analysis including large displacements/rotations effects. The participant will have to explore the main output variables globally and at specific points on the shell surfaces.
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Problem set 4: Run a nonlinear multi-step analysis of a 3D model of a 3 point bend test of a plate and beam in contact. The geometry and a coarse mesh will be provided in a Python script.
- The participant will run the supplied script to generate the FE model, define loading and boundary conditions. The target is to evaluate the shape, the stresses and strains of the Plate through loading and unloading of the beam. The beam is considered as a rigid body (to limit the model size). Contact, large displacements / deformations and plasticity nonlinearities are considered.
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Problem set 5: Run a Python script to generate an axisymmetric model of a cap-vessel assembly
- The participant will have to explore the main output variables globally and at specific times, in an axisymmetric representation
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Problem set 6: Small model provided in a python script to evaluate non-convergence. There are a total of 4 small models (family). Each one is aimed to evaluate either geometric, plasticity or contact nonlinearities.
- The participant will have to examine the job monitor, look at .dat and .msg files to understand job failure; and then provide a solution to aid problem convergence.
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