Passenger Car Ladder Chassis Frame

Create a detailed 3D CAD model of a passenger car chassis frame designed for structural analysis in ANSYS 2024. **Overall dimensions:** - Length: 3200 mm - Width: 1500 mm - Height: 350 mm - Wheelbase: 2500 mm - Front track width: 1300 mm - Rear track width: 1300 mm **Chassis construction:** 1. Use a ladder-type chassis frame with two parallel longitudinal steel box-section rails. 2. Main longitudinal rails: rectangular hollow sections, 100 mm × 50 mm, wall thickness 3 mm, length 3200 mm. 3. Add 5 transverse cross-members connecting both rails, using 60 mm × 40 mm rectangular hollow steel sections with 3 mm wall thickness. 4. Position cross-members at the front suspension region, front-middle region, centre, rear-middle region and rear suspension region. 5. Include front and rear suspension mounting brackets with clearly defined mounting holes. 6. Add four reinforced suspension mounting regions, two at the front and two at the rear. 7. Include front and rear bumper mounting brackets. 8. Add reinforced mounting plates for the engine and transmission near the front-middle section. 9. Add four body mounting brackets along the chassis rails. 10. Include gusset plates at important cross-member joints to improve structural rigidity. **Geometry and modeling requirements:** - Use structural steel as the intended material. - Create realistic hollow sections with actual 3 mm wall thickness, not solid rectangular bars. - Use clean, connected geometry with properly aligned cross-members. - Use realistic fillets and rounded edges where appropriate. - Keep the frame symmetrical about its longitudinal centre plane. - Avoid unnecessary cosmetic details, seats, doors, body panels, wheels, engine internals and interior components. - Ensure the model is suitable for finite element meshing. - Avoid overlapping or disconnected members wherever possible. - Use millimetres as the unit system. - Provide a fully editable, dimensioned 3D CAD model. - Export the finished chassis as a STEP (.step or .stp) file compatible with ANSYS Workbench 2024. **Design objective:** Create a mechanically plausible passenger car chassis frame suitable for static structural analysis, vertical loading, deformation analysis, von Mises stress evaluation and chassis stiffness studies. Clearly define suspension mounting regions so realistic boundary conditions can be applied in ANSYS.

Parameters

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.