Anyone have modelling strategy about simulating the RC under axial and lateral loading? such as material parameter, boundary condition, analysis type, solver, especially in Abaqus. Thank you
Kaushik Shandilya
Material behavior: RC is a composite material consisting of concrete and reinforcement bars. For the concrete material, you can use a nonlinear isotropic/kinematic hardening material model with damage to capture the degradation in stiffness and strength due to cracking. For the reinforcement bars, you can use a nonlinear isotropic/kinematic hardening material model. Make sure to calibrate the material parameters using experimental data. Boundary conditions: You can apply axial and lateral loads using Abaqus' "Distributed Displacement" boundary condition. This boundary condition allows you to specify the magnitude and direction of the load, as well as the location where the load is applied. You can also add constraints to the model to simulate the support conditions. Analysis type: To simulate the behavior of the RC under cyclic loading, you can use a cyclic analysis in Abaqus. The cyclic analysis type allows you to define the loading and unloading behavior of the model over a specified number of cycles. You can also specify the damping behavior of the model. Solver: Abaqus provides various solvers for nonlinear analyses, including the implicit and explicit solvers. For RC under cyclic loading, the explicit solver may be more appropriate as it can handle the nonlinearities and discontinuities that arise during the cyclic loading. Post-processing: Once the simulation is complete, you can use Abaqus' post-processing tools to visualize the behavior of the RC under axial and cyclic loading. You can plot the stress-strain curves, hysteresis loops, and other relevant parameters.
Dear friend Mhd Rony Asshidiqie
Simulating reinforced concrete (RC) under combined axial and cyclic loading is a complex task that requires careful consideration of the material behavior, boundary conditions, and analysis type. Here are some general guidelines for modeling such a scenario in Abaqus:
Keep in mind that modeling RC under axial and cyclic loading is a complex task that requires experience and expertise in finite element analysis. It is important to carefully validate the model against experimental data to ensure its accuracy and reliability.
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