Modal Synthesis Method Example: Including ANSYS Command Stream and MATLAB Source Code

Modal Synthesis Method Example: Including ANSYS Command Stream and MATLAB Source Code

Explanation of Analytical Solution A cantilever plate with three free edges and one fixed edge can solve the variational equation by reducing it to a regular ordinary differential equation in another direction using one-way analytical methods. Analytical Solution Process: For specifics, please refer to Cao Zhiyuan’s “Theory of Plate and Shell Vibrations” pages 47-49. Finite … Read more

Modal Decomposition Response Spectrum Method in MATLAB

Modal Decomposition Response Spectrum Method in MATLAB

The “Code for Seismic Design of Buildings” GB50011-2016, Section 5.2.2: When using the modal decomposition response spectrum method…Advantages and Disadvantages: The modal decomposition response spectrum method, in simple terms, imagines a multi-story building as several “independent pendulums,” each corresponding to a natural vibration period and mode shape. First, the maximum seismic force for each pendulum … Read more

OptFuture | Modal Analysis of Circuit Board Assemblies

OptFuture | Modal Analysis of Circuit Board Assemblies

Introduction Modal analysis serves as the foundation for linear dynamic analysis, and the accuracy of its results determines the precision of subsequent transient dynamic calculations. On the other hand, conducting modal analysis of a system helps to understand its overall dynamic characteristics and guides structural dynamics modifications and re-analysis. This case study utilizes foreign commercial … Read more