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CASE STUDY
FEA Analysis of Launch and Recovery System (LARS)
Project Category:
Project Brief:
This case study presents a detailed Finite Element Analysis (FEA) of a single LARS (Launch and Recovery System) base frame. The analysis was conducted to verify the structural strength of the frame according to the American Bureau of Shipping (ABS) Rules for Building and Classing Underwater Vehicles, Systems, and Hyperbaric Facilities.
Challenges and Objectives
The client required a comprehensive analysis to ensure the frame\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s compliance with ABS rules. The main objectives were to assess the frame\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s structural integrity under various loads, including dead loads, live loads, added mass, entrained water, mud, and dynamic loads (1g vertical, 1g transverse, and 1g longitudinal).
Methodology (Solutions Implemented)
1.Modeling: A 3D SolidWorks model was created to represent the frame accurately.
2.Boundary Conditions: Various loads, including dead loads, live loads, added mass, entrained water, mud, and dynamic loads, were applied to simulate real-world conditions.
3.FEA Analysis: The FEA analysis was performed to evaluate the structural members\\\\\\\\\\\\\\\’ behavior under axial tension, compression, bending, shear, and combined axial compression and bending.
4.Validation: The results were validated against ABS rules for structural members and bolted joints.
2.Boundary Conditions: Various loads, including dead loads, live loads, added mass, entrained water, mud, and dynamic loads, were applied to simulate real-world conditions.
3.FEA Analysis: The FEA analysis was performed to evaluate the structural members\\\\\\\\\\\\\\\’ behavior under axial tension, compression, bending, shear, and combined axial compression and bending.
4.Validation: The results were validated against ABS rules for structural members and bolted joints.
Benefits (Results Achieved)
1.Structural Integrity: The analysis ensured that the stresses induced in the assembly were within the allowable stress limits specified by ABS rules.
2.Compliance: The frame was verified to comply with ABS rules for Building and Classing Underwater Vehicles, Systems, and Hyperbaric Facilities.
3.Performance: The client gained confidence in the structural integrity and performance of the frame under various loading conditions.
2.Compliance: The frame was verified to comply with ABS rules for Building and Classing Underwater Vehicles, Systems, and Hyperbaric Facilities.
3.Performance: The client gained confidence in the structural integrity and performance of the frame under various loading conditions.
Summary of Project
In conclusion, the FEA analysis successfully verified the structural strength of the single LARS base frame, meeting all requirements specified by the American Bureau of Shipping (ABS). The project demonstrated our expertise in FEA analysis and our commitment to ensuring compliance with industry standards.