feat: implement shell section #227
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mortenengen
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enhancement
18 tasks
* Add shell reinforcement * Add shell geometry
* Added validation for z-value and scaled the visualization * Removed 'return self' and 'return None' --------- Co-authored-by: Morten Engen <[email protected]>
* Add get_stress_2d and get_tangent_2d methods * Add separate elastic class for 2D operations * Add tests for Elastic2D methods get_stress and get_tangent. * Establish the C_matrix as an internal attribute and a property + various fixes * Change 'math.isclose...' to 'np.allclose...' * Verified ValueError and removed misplaced comment in get_stress method --------- Co-authored-by: Morten Engen <[email protected]>
* Add shell fiber integrator * Removed strain at fiber as argument for Elastic2D get_tangent method * Improve triangulation logic and various fixes to prepare_input per review comments * Use zip() in integrate_modulus and only generate default mesh_size when z_coords is None --------- Co-authored-by: Morten Engen <[email protected]>
…#241) * Replace tangent stiffness with secant stiffness for 2D materials * Replace 'tangent' with 'secant' in tests
* Fix add_reinforcement to validate single ShellReinforcement object correctly * Add tests for ShellGeometry and ShellReinforcement, and add ._shell_geometry.py to __init__.py * Remove duplicate line
* Add stiffness matrix for reinforcement * Changed names for global and local material matrix * Reinforcement integration in prepare_input and drop redundant geometry argument * Move transformation matrix from integrator to ShellReinforcement * Updated prepare_input for reinforcement
* Add side view to repr_svg in ShellGeometry * Revert "Updated comment" This reverts commit 4ca1ad0, reversing changes made to 9823d2a. * Updated files with errors * Fixed difference in not relevant file * Ignore too many statements in repr_svg --------- Co-authored-by: Morten Engen <[email protected]>
* Add ParabolaRectangle2D material class * Add ParabolaRectangle2D material in __init__ * Split class into modular methods for transform, correction, and cracking * Add more tests to ParabolaRectangle2D class * Add coefficient for compressive-strength reduction due to lateral shear * Update tests accounting for compressive-strength reduction * Update docstrings * Fix computations related to principal strain direction and correct length of strain vectors as per review comments * Avoid division by zero in get_secant method * Update test results after corrections in commit 35898f8
* Add shell section * Import shell classes to __init__ files * Make section_calculator a public attr of ShellSection * Make sure the layer information is stored * Make sure strain is an array * Draft iterative solver * Update tests to reflect how mesh_size is propagated * Make sure the stiffness matrix is returned correctly * Separate treatment of current and initial stiffness * Check number of iterations at the beginning of an iteration --------- Co-authored-by: Morten Engen <[email protected]>
* Make the secant stiffness matrix consistent * Refine computation of secant stiffness * Add more tests for get_secant method * Update Poisson matrix as per review comments
* Fix misleading variable name in integrate_stress method * Changed variable name to fiber_stress
* Add shell section * Import shell classes to __init__ files * Make section_calculator a public attr of ShellSection * Make sure the layer information is stored * Make sure strain is an array * Draft iterative solver * Update tests to reflect how mesh_size is propagated * Make sure the stiffness matrix is returned correctly * Separate treatment of current and initial stiffness * Check number of iterations at the beginning of an iteration * Add tests for shell section --------- Co-authored-by: Morten Engen <[email protected]>
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* Update target values in new tests * Merge dev * Accept only materials in shell geometry and reinforcement * Update tests
* Add stress and modulus transformation as props of shell reinf * Avoid matrix multiplication during iterations
* Change to an energy based convergence criterion for the shell section * Update tests
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This draft PR tracks the development related to #225.
To do
The following. incomplete, list of tasks should be completed before merging with dev.
ShellGeometryclass.ShellReinforcementclass.ShellSectionclass.ShellSectionCalculatorclass.ShellFiberIntegratorclass.._repr_svg_().ParabolaRectangle2Dconsistent by taking into account poisson effects.