Performing Random Vibration Analyses in COMSOL Multiphysics^®

Name: Performing Random Vibration Analyses in COMSOL Multiphysics®
Uploaded: 2020-05-05 14:35:34
Duration: 1 h 3 min 36 s
Description: Studying random vibration in a structure? Learn how to perform a random vibration analysis in COMSOL Multiphysics® in this archived webinar.

时长： 1:03:36

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视频简介
脚本

Watch this archived webinar to see how to perform random vibration analyses in COMSOL Multiphysics^®. You will get a theoretical background of random vibration, learn when to implement random vibration in your structural analyses, see how to import and export cross-correlation matrices, and more.

Tip: Browse for upcoming live webinars here.

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Introduction (0:00) Agenda (0:30) Classification of Dynamic Studies (1:33) Vibration Testing (2:35) True Random Excitation (4:44) Random Excitation from a Supporting Structure (6:43) Unknown Structure to Be Attached (8:07) Stochastic Processes (8:50) Autocorrelation (11:37) Cross-Correlation (12:42) Power Spectral Density, PSD (14:52) Linear Systems (16:27) Input Data (22:24) Random Vibration (23:45) Random Vibration Study (25:37) Random Vibration Analysis (26:14) Results (27:37) Problem Definition (54:55) Eigenfrequencies (32:05) Random Vibration Analysis of a Deep Beam (42:01) Bracket: Random Vibration Analysis (43:16) Random Vibration Test of a Motherboard (44:24) Concept (45:53) Inputs and Results (46:56) Adding Reduced-Order Models (48:17) Export and Import of PSD Data (49:10) Exporting PSD and Cross-Correlation (49:39) Importing PSD and Cross-Correlation (51:39) Problem (52:57) Large Mass Method (54:09) Q&A (59:43) Contact Us (1:03:01)