Seismic Soil-Structure Interaction Modeling

₹600-1500 INR

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Posted 6 days ago

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Ends in 12 hours

₹600-1500 INR

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I am conducting a numerical study on how soil–structure interaction (SSI) influences the seismic performance of high-rise reinforced-concrete buildings located in Zone V. All analyses will be carried out in SAP2000. The work revolves around two core models: a conventional fixed-base representation and a flexible-base model where medium-stiffness soil springs represent the foundation system. My primary comparison metric is period elongation, but I also need clear quantitative trends for drift amplification and base-shear variation. To keep the scope focused, the building parameter we will vary is the number of floors; other characteristics (mass distribution, plan dimensions, material strengths) will stay constant so their influence does not cloud the SSI effects. Scope of work • Build and calibrate fixed- and flexible-base SAP2000 models for a representative high-rise RC frame. • Introduce medium-stiffness soil springs and verify their properties against codal or published data. • Perform nonlinear time-history or response-spectrum analyses under Zone V design earthquakes. • Extract fundamental periods, inter-storey drifts, and base shears for each configuration. • Prepare comparative plots/tables that highlight period elongation most prominently, with supporting results for drift and shear. • Summarise insights on how changing floor count alters SSI influence. Deliverables 1. SAP2000 model files (fixed and flexible bases). 2. Spreadsheet or MATLAB/Python post-processing scripts. 3. Graphs/tables showcasing period, drift, and shear comparisons across floor counts. 4. Concise interpretive report (≈10 pages) discussing findings, assumptions, and limitations. Acceptance criteria – Model files open and run without errors in SAP2000 v23 (or later). – Period elongation values clearly tabulated for every floor configuration. – Drift and base-shear results plotted on the same axes for fixed vs flexible bases. – Report provides actionable conclusions for Zone V design practice. If you have prior experience coupling SAP2000 with soil spring models and can deliver reproducible, well-documented results, let’s proceed.

Structural Engineering

MATLAB

Python

Data Analysis

Finite Element Analysis

Mechanical Engineering

3D Modelling

Civil Engineering

Project ID: 40461979

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2 freelancers are bidding on average ₹1,050 INR for this job

@serviceaxisgroup

Hi, I can help with clear period-elongation insights for a Zone V high-rise RC building from fixed-base vs medium-stiffness flexible-base SSI modeling in SAP2000. I will build both SAP2000 v23 models, add soil springs verified against codal/published values, and run the required nonlinear response analyses while extracting periods, drift amplification, and base-shear changes. I’ll start by confirming your representative building setup and floor-count range, then validate spring stiffness and baseline fixed results before the full sweep. Which floor counts should we analyze, and do you prefer nonlinear time-history or response-spectrum for the Zone V earthquakes? If you share those details, we can kick off quickly.

₹600 INR in 3 days

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@sarahmirza5060

Hello, I’m an aerospace engineer with experience in structural simulation, numerical modeling, dynamic response analysis, and post processing of engineering systems. I have worked on FEM and simulation projects involving modal behaviour, load response, parametric studies, and interpretation of engineering data using simulation tools and MATLAB/Python workflows. For your project, I can develop fixed base and flexible base SAP2000 models with soil spring representation, perform the required seismic analyses, and extract comparative results for period elongation, inter storey drift, and base shear variation across different floor configurations. I understand the importance of keeping the study reproducible and academically structured, especially for Zone V seismic assessment. I will provide clean SAP2000 models, organized plots/tables, post processing files, and a concise technical report with clear interpretation of SSI effects and limitations. The final work will be formatted professionally and ready for academic submission. Looking forward to working with you.

₹1,500 INR in 7 days