Vadodara, Gujarat, India

Finite Element Analysis (FEA) & Numerical Simulation

Discipline Overview

Advanced Numerical FEA & ASME Section VIII Div 2 Design-by-Analysis

When standard empirical design-by-rule equations reach their geometric or pressure limits, Finite Element Analysis (FEA) provides the essential mathematical proof of structural safety. COREX Engineering provides advanced linear and nonlinear FEA simulation services for complex pressure vessels, heavy piping components, high-load structural joints, and specialized industrial equipment.

Our simulation engineers possess deep expertise in ASME Section VIII Division 2 Part 5 Design-by-Analysis (DBA), performing elastic stress categorization, limit-load plastic collapse evaluations, local failure strain checks, and cyclic thermal fatigue life predictions.

Key Technical Deliverables

ASME Section VIII Div 2 Part 5 (DBA)

Complete Design-by-Analysis reports covering protection against plastic collapse, local failure, buckling, and cyclic fatigue.

Linear & Nonlinear Stress Categorization

Stress linearization across critical paths (SCL) to decompose total stress into membrane, bending, and peak components.

Complex Vessel Nozzle Junction Stresses

Detailed solid meshing around non-standard hill-side nozzles, large d/D ratios, and reinforced pad configurations under heavy piping loads.

Thermal Transient & Heat Transfer FEA

Transient temperature distribution modeling during plant startup/shutdown cycles to predict thermal stresses and avoid thermal shock.

Fatigue Life & Fracture Mechanics Audits

S-N curve fatigue screening and cumulative damage factor calculations under repeated thermal and pressure cycle loading.

Modal & Harmonic Vibration Analysis

Natural frequency extraction to avoid acoustic and mechanical resonance with rotating machinery operating speeds.

Software Ecosystem

ANSYS Mechanical Paulın Research Group FE-Pipe NozzlePRO Dassault SIMULIA Abaqus Autodesk Nastran

Codes & Standards Compliance

ASME Section VIII Division 2 (Part 5 Design-by-Analysis) ASME Section III (Nuclear Facility Components) API 579-1 / ASME FFS-1 (Fitness-For-Service) EN 13445-3 (Design-by-Analysis Route) WRC 429 / WRC 537