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Optimal Design Method for Parallel Tuned Mass Damper

A technology of tuning mass damping and optimizing design, which is applied to building components, earthquake resistance, etc., and can solve problems such as safety hazards, economic losses, fires and secondary disasters of diseases, etc.

Inactive Publication Date: 2017-11-10
SHANGHAI UNIV
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  • Description
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Problems solved by technology

In addition to direct impacts such as house damage and collapse and casualties, earthquakes can also trigger secondary disasters such as fires and diseases, causing huge safety hazards and economic losses

Method used

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  • Optimal Design Method for Parallel Tuned Mass Damper
  • Optimal Design Method for Parallel Tuned Mass Damper
  • Optimal Design Method for Parallel Tuned Mass Damper

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Embodiment Construction

[0038] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0039] Such as figure 1As shown, the optimization design method of the parallel tuned mass damper of the present invention comprises the following steps:

[0040] Step 1: Establish the model of the parallel tuned mass damper (namely, the main structure of the building—the DPTMD system model). Its specific composition is as follows: on the basis of a first mass block m1 in the traditional TMD, a second mass block m2 is added and installed in parallel with it, and the first mass block m1 and the second mass block m2 are connected by springs and dampers respectively On the main structure of the building, a parallel tuned mass damper composed of two mass blocks is formed.

[0041] Step 2. According to the principle of structural dynamics, the force analysis of the main structure of the building and the parallel tuned mass damper is carried out...

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Abstract

The invention provides a method for optimizing the design of a parallel tuned mass damper, which includes the following steps: establishing a system model of the main structure of the building—DPTMD; establishing a system dynamic equation of the main structure of the building—DPTMD according to the principle of structural dynamics; and comparing the damping of the tuned mass The optimized design of vibration control for parallel tuned mass dampers using genetic algorithm; by referring to the optimization results, considering the effectiveness of the control and the effectiveness of the stroke control of the damping system, the optimal combination parameters are selected to guide the actual engineering design. Compared with TMD, the present invention can greatly improve the effectiveness of vibration control within a certain range by adjusting the ratio of mass blocks, significantly reduce the stroke, and effectively control the displacement response of the structure under earthquake action.

Description

technical field [0001] The invention relates to an optimal design method of a parallel tuned mass damper (Double-Parallel Tuned Mass Dampers, DPTMD). Background technique [0002] Earthquake is a common and sudden natural disaster, which is still very low in predictability, widely distributed and severely damaged. Once it occurs, it will cause very serious losses to human beings. In addition to direct impacts such as house damage and collapse and casualties, earthquakes can also trigger secondary disasters such as fires and diseases, causing huge safety hazards and economic losses. my country is one of the countries most severely affected by earthquake disasters in the world. [0003] The research and application of vibration control in civil engineering structures is considered to be a major breakthrough in the field of structural wind and seismic research. It breaks through the traditional structural design method, even if it only relies on changing the performance of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/98
Inventor 李春祥杨云志
Owner SHANGHAI UNIV
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