Mechanical concept design : Stress simulation in Fusion 360

Apply finite element analysis to a simple 2D cantilever beam by discretizing it into two elements with three degrees of freedom per node, assembling the displacement vector U.

Learn how node displacements and rotations arise from forces and moments, build the element stiffness and force vectors, apply boundary and loading conditions, and assemble the system to compute stress.

Explore one-dimensional finite element analysis by analyzing a stepped rod axially loaded, modeled as two springs in series with stiffness k1 and k2, and derive stresses from strain.

Derive stiffness matrices for finite element analysis using strong form and weak form equations, applying Galerkin weighted residuals and integral methods to relate forces and moments to displacements and rotations.

Learn about element types and degrees of freedom in finite element analysis, including 1D rods, 2D/3D beams, triangular and trapezoidal planar elements, cubic and tetrahedral solids, and curved nonlinear elements.

Apply the finite element analysis workflow: define the problem with geometry, loads, constraints, and materials; discretize into elements; assemble and solve global matrices to derive displacements and stresses.

Define the problem, mesh the geometry, solve the equations, and post-process results to extract meaningful stress insights.

Explore how material properties affect accurate stress analysis in Fusion 360, comparing linear steel with constant Young's modulus to non-linear plastics with strain-dependent modulus, and outline the full CAD-to-results workflow.

Explore setting up a static stress analysis in Fusion 360, selecting steel, applying loads and boundary conditions to a cantilever bracket, and examining von Mises stress and displacement through post-processing.

Explore von Mises stress and principal stresses in 2D and 3D via a cantilever example, showing how von Mises relates to yield strength and the factor of safety for design.

Apply the factor of safety as the ratio of yield stress to working stress, accounting for uncertainties, and use typical ranges 1.3–2, 2–2.5, 2.5–3, and 3–4.

Explore discretization and mesh size in Fusion 360, showing how refinement improves accuracy and computation time and reveals stress singularities at sharp edges.

Explore how stress singularity and concentration arise in a fixed plate with a diamond cutout, and how mesh refinement and fillets reduce extreme stress values.

Compare hand calculations using the classical strength of materials with a fusion360 fea of a centrally loaded simply supported beam; validate by mesh convergence and close stress values.

Learn how to validate finite element analysis results against testing, interpret correlation percentages, and account for material properties, temperature, and environmental effects to ensure design reliability.

Present a learning framework for engineers to strengthen statics and mechanics of materials, define loading and boundary conditions, specify material properties, apply meshing and contact modeling, and perform fem analysis.

The dedicated finite element method analyst specializes in refining structures through analysis, meshing, solving, and scripting, while the design engineer focuses on concept design and delivering components that meet requirements.

Compare fixed and pin boundary conditions on a simply supported beam under a ten megapascal pressure, revealing stress concentration at fastener areas and center stresses under pin support.

Examine how fully fixing vs partially fixing the bottom surface affects static stress analysis of a t-shaped component under edge load, revealing 35% higher edge displacement with partial fix.

Compare pin constraints with free axial or tangential movement versus full fixing in a Fusion 360 stress analysis case study, showing higher stress but lower displacement when fully fixed.

Explore how to apply contact in Fusion 360 analysis simulation, modeling bonded, sliding, and separation contacts between two components, and compare their effects on load transfer and displacement.

Explore bonding, sliding, and separation contact in Fusion 360 through a lever and frame case study, comparing deformation, stress, and stiction effects to guide realistic modeling.

Develop and compare structural design concepts using static stress analysis in Fusion 360 to identify the best option. Focus on stress, stiffness, weight, and cost to guide concept optimization.

Case study 1 examines a cantilevered bracket under 1000 N, fixed at the back, showing how fillet, rib, and tapered section designs reduce stress from 511 MPa to 77 MPa.

optimize a simply supported beam to halve bending stress with minimal weight increase, exploring cross-section changes, variable height, and an I-beam design for high moment of inertia.

Analyze the deflection of a fixed-bottom square frame under a 5000 newton lateral load and compare plus-rib, diagonal, and x-diagonal reinforcements to show diagonals increase rigidity in cranes and trusses.

Case study four analyzes the torsional rigidity of a steel h frame under equal and opposite loading, testing cross members, chamfers, and x braces to reduce deflection.

case study 5 analyzes an l-shaped sheet metal bracket under a 500 N load, showing how dimples and flanges reduce stress and boost stiffness.

Analyze case study six, the stabilizer bar clamp bracket, showing how an A7M flange improves stiffness and reduces stress and deflection under a 2000 newton load.

case study seven analyzes the floor crane boom under a 200 kg load, assessing stress in an overhanging steel tube and optimizing height to keep stress under 60 MPa.

Analyze a sheet metal cross member under center load, showing local stress concentration and deflection, and how flanges, depressions, and a bottom plate reduce deflection in Fusion 360.

Design shock absorber fork for case 9, in a wishbone suspension, assess two concepts for drive shaft clearance, and select lighter, stress-compliant option below 100 MPa under 10 kN loads.

Analyze a lever under 1000 newtons in Fusion 360, modeling bonded contact with a fixed block to reduce static stress below 210 MPa by widening the section.

Compare base and alternative aluminium 6061 double wishbone control arm concepts under a 5000 newtons load. The alternative reduces stress and deflection by over 50% with a small weight increase.

Analyze a pulley bracket stress case study in Fusion 360, comparing base, sheet metal, and casting concepts under 500 N loads to meet a 150 MPa target.

Analyze how adding ribs to a plastic part under a uniformly distributed load reduces depression and greatly increases stiffness, illustrating the mechanism in a case study.

Analyze a 2.5 mm sheet metal panel under a 500 N load, using separation contact and emboss to reduce stress to 50 MPa and lower deflection with central emboss.

Explore a Fusion 360 stress simulation of a nylon jaw assembly under 2000 N loads, revealing how chamfers, fillets, and a rib reduce stress and deflection while trimming weight.

This case study compares a sheet metal steel spring mount bracket to a machined aluminum alloy alternative, analyzing 2500 N load, 70.62 megapascal vs 10.67 megapascal stress, weight, and costs.