Simulation method and system for high-rise structures with viscous dampers

Abstract

The invention discloses an analogy method and a system of a high-rise structure applying a viscous damper. The analogy method comprises the steps of establishing a standard three-dimensional solid model, wherein the standard three-dimensional solid model comprises a spring K1, a spring K2 and a spring K3*; the spring K2 and the spring K3* are connected in series and then connected with the spring K1 in parallel to co-support mass points; the spring K* is equivalently converted into the viscous damper; the standard three-dimensional solid model is converted to obtain an analogy structural model with the viscous damper; calculating in a complex number space based on the analogy structural model with the viscous damper to obtain an additional damping ratio algorithm; performing derivation and minimum value calculation on the reciprocal of the additional damping ratio algorithm to obtain a maximum additional damping ratio algorithm; and calculating through the maximum additional damping ratio algorithm to obtain the maximum damping ratio. In addition, the invention also provides an analogy system of the high-rise structure applying the viscous damper. By adoption of the scheme, the error can be obviously reduced and the engineering precision demand can be satisfied without actually applying the viscous damper in the high-rise building structure for pilot tests.

Description

technical field [0001] The invention relates to the field of structural design, in particular to a method and system for simulating high-rise structures with viscous dampers. Background technique [0002] In the field of structural design, including civil construction institutions, industrial construction structures, bridge structures and other structural designs. When the above-mentioned engineering structure design is applied in the seismic zone, especially in the high-intensity zone, the design of high-rise or super high-rise structures is mainly controlled by earthquakes, and the traditional design is based on the "resistance" design method. Large, high cost, and the cross-sectional size of the components is "silly, black and thick", which affects the use of the building. Therefore, dampers, such as viscous (elastic) dampers and fluid dampers, will be applied to such building structures. Applying dampers can consume energy in earthquakes, which not only saves materials ...

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Problems solved by technology

[0012] However, the approximate estimation method of the damping ratio of the viscous damper added to the structure given above has a large error in the maximum damping ratio of the viscous damper, which cannot meet the requirements of engineering accuracy.

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