

Bridge Stress Simulator
Interactive truss bridge analyzer with 5 bridge types (Warren, Pratt, Howe, K-Truss, Custom). Calculate real member forces using Method of Joints, visualize tension/compression, identify zero-force members, and export analysis reports.
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Truss Bridge Simulator - Interactive Structural Analysis
Interactive truss bridge simulator with drag-and-drop node placement. Build bridges or trusses using Warren, Pratt, Howe, and K-Truss presets. Apply loads and see real-time tension/compression analysis using Method of Joints solver.
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Euler Column Buckling Calculator with Secant Method
Complete column buckling analysis with Euler, Johnson Parabola, and Secant methods. Calculate critical loads for eccentric loading, visualize buckling mode shapes (n=1,2,3), and explore different end conditions (K=0.5 to 2.0). Includes safety factor calculations per AISC standards.
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Beam Deflection Calculator
Interactive beam deflection simulator with live shear force and bending moment diagrams. Drag loads and supports to see instant deflection curves. Includes cantilever and simply supported beam presets.
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Fatigue Life S-N Curve Analyzer
Interactive S-N curve simulator for fatigue life prediction. Analyze stress-life relationships with material presets, mean stress corrections (Goodman, Gerber, Soderberg), Miner's rule damage accumulation, and Marin modification factors.
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Mohr's Circle Calculator - 2D/3D Stress Analysis
Complete Mohr's Circle calculator with 2D plane stress, plane strain, and 3D stress analysis modes. Visualize principal stresses (σ1, σ2, σ3), maximum shear stress, and stress transformation. Interactive rotating element with real-time calculations.
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Shear & Moment Diagram Calculator
Build custom loading scenarios and generate shear force and bending moment diagrams in real-time. Drag-and-drop point loads, distributed loads, and moments to visualize internal forces.
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Torsion of Shaft Calculator
Interactive shaft torsion simulator with 3D twist visualization, shear stress distribution, and power transmission analysis. Supports solid and hollow circular cross-sections with material presets.
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Principal Stress & Von Mises Calculator
Calculate principal stresses (σ1, σ2), maximum shear stress, and Von Mises equivalent stress from any 2D stress state. Visualize stress transformation, compare failure criteria (Von Mises, Tresca, Max Principal), and understand yield prediction.
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Stress-Strain Curve Explorer
Interactive stress-strain curve simulator for understanding material behavior under loading. Visualize elastic/plastic regions, yield points, and ultimate strength with real-time specimen deformation animation.
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Combined Axial & Bending Stress
Interactive combined loading simulator for analyzing axial force plus bending moment effects. Visualize stress distribution, neutral axis shift, tension/compression zones, and kern region for eccentric loading.
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