Study On Seismic Effect Analysis Of Steel Frame Structures Based On ANSYS

Steel structures have many advantages in good seismic in the industry and they arewidely applied. Steel frame structure combines excellent performance with steelstructures in seismic and frame structures about reasonable allocation being more andmore widely applied. This paper studies the structural analysis of the model by the mostwidely used finite element software ANSYS. The steel frame structure seismic modelswere analyzed.In condition of clear the structure compute model assumptions with seismicresponse analysis. Then use the finite element ANSYS to set up three different modelswith a two story, a five story and a eight story models of steel frame. Differing only inthe height-width ratio. The three models contains three types about low, multilayer andhigh steel frame. So that the conclusions can be self-comparison and contrast three steelframe structure.Analysis the modal of three steel frame models. Get the self vibration frequencyabout the structures. To provide datas for the analysis of the frequency and periodseismic spectral response of the back. And acquire the modal analysis about libratemode scheme. The three models die state resulting vibration frequency analysis. Takinginto reciprocal vibration period, the higher in the range of floor vibration period thegreater resonance. That is to say the higher more likely to occur resonance. Modalanalysis is the seismic analysis premise of steel frame structures and this steps must becarried out.Summary of seismic response of steel structures by finite element method. Resultsuse two ways of calculate. According to seismic response measured and calculatedaccording to the spectral response to the earthquake. The important nature of theresearch for steel seismic design calculations may take priority. These two ways in thisarticle using ANSYS calculation step problem-solving analysis principles and methodsdescribed in detail. Provide ideas and methods for solving problems behind.Respectively for two story, five story, eight story steel frame using seismic wavesand seismic response spectrum two ANSYS methods to calculate. Get the responseanalysis about the seismic response modes displacement response curves and spectralresponse curve of the earthquake. Then get on their the results graphs and curves observed analysis, the bigest deformation, the bigest stress, the bigest displacementcalculation data and results and the results of various steel frame seismic analysis.Finally, comparison with the analysis about the results of the three steel frames.Seismic response analysis of data found that with the increase of the floor, themaximum deformation and maximum stress steel frame is also progressively increased.Earthquake response analysis of spectral data coupled with the previous modal analysisof the resulting frequency value can be sure of is the number of layers with higher steelframe more prone to resonance.