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- Q811197 subject Q7138876.
- Q811197 subject Q8819620.
- Q811197 abstract "Structural analysis is mainly concerned with finding out the behavior of a physical structure when subjected to force. This action can be in the form of load due to the weight of things such as people, furniture, wind, snow, etc. or some other kind of excitation such as an earthquake, shaking of the ground due to a blast nearby, etc. In essence all these loads are dynamic, including the self-weight of the structure because at some point in time these loads were not there. The distinction is made between the dynamic and the static analysis on the basis of whether the applied action has enough acceleration in comparison to the structure's natural frequency. If a load is applied sufficiently slowly, the inertia forces (Newton's second law of motion) can be ignored and the analysis can be simplified as static analysis.Structural dynamics, therefore, is a type of structural analysis which covers the behavior of structures subjected to dynamic (actions having high acceleration) loading. Dynamic loads include people, wind, waves, traffic, earthquakes, and blasts. Any structure can be subjected to dynamic loading. Dynamic analysis can be used to find dynamic displacements, time history, and modal analysis.A dynamic analysis is also related to the inertia forces developed by a structure when it is excited by means of dynamic loads applied suddenly (e.g., wind blasts, explosion, earthquake).A static load is one which varies very slowly. A dynamic load is one which changes with time fairly quickly in comparison to the structure's natural frequency. If it changes slowly, the structure's response may be determined with static analysis, but if it varies quickly (relative to the structure's ability to respond), the response must be determined with a dynamic analysis.Dynamic analysis for simple structures can be carried out manually, but for complex structures finite element analysis can be used to calculate the mode shapes and frequencies.".
- Q811197 wikiPageExternalLink frame3dd.sourceforge.net.
- Q811197 wikiPageExternalLink dyssolve.
- Q811197 wikiPageExternalLink structdynviblab.mcgill.ca.
- Q811197 wikiPageExternalLink structural-dynamics.
- Q811197 wikiPageExternalLink www.exploringstructuraldynamics.org.
- Q811197 wikiPageExternalLink FRF.php.
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- Q811197 wikiPageWikiLink Q7138876.
- Q811197 wikiPageWikiLink Q7944.
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- Q811197 wikiPageWikiLink Q837940.
- Q811197 wikiPageWikiLink Q8819620.
- Q811197 wikiPageWikiLink Q900488.
- Q811197 comment "Structural analysis is mainly concerned with finding out the behavior of a physical structure when subjected to force. This action can be in the form of load due to the weight of things such as people, furniture, wind, snow, etc. or some other kind of excitation such as an earthquake, shaking of the ground due to a blast nearby, etc. In essence all these loads are dynamic, including the self-weight of the structure because at some point in time these loads were not there.".
- Q811197 label "Structural dynamics".