Pipe Stress Analysis
We specialize in dynamic stress analysis techniques i.e Response Spectrum, Time History Analysis and Harmonic Analysis which enable us to simulate real-world loading conditions and validate piping system performance under dynamic events. Our approach ensures not only compliance (ASME, BS, DIN, ISO) but also design optimization, extended service life, and reduced changes.
Gas Compressor Piping- Stress analysis & Support design
RNi7 was entrusted by a major client to provide advanced stress analysis and
support design services for gas compressor piping. The project required
compliance with strict seismic design criteria set by the equipment supplier.
Leveraging cutting-edge engineering techniques, RNi7 precisely assessed nozzle
loads that conventional methods could not validate, ensuring project success.
Oil Mist Eliminator- Design of Structure, Vessel and Piping
FPSO Module Turret Mooring System-Piping stress analysis & Support design
Boiler Package- Piping stress analysis & Support design
RNi7 was entrusted to provide stress analysis and support design services for a
steam superheater and air preheater system on behalf of a UK-based equipment
manufacturer. The project required the use of specialized pipe materials capable
of withstanding high temperatures, along with intricate support design
requirements.
Project Definition
RNi7 was entrusted by a major client to provide advanced stress analysis and support design services for gas compressor piping. The project required compliance with strict seismic design criteria set by the equipment supplier. Leveraging cutting-edge engineering techniques, RNi7 precisely assessed nozzle loads that conventional methods could not validate, ensuring project success.
Description
Executed using Hexagon’s CAESAR II, this project presented unique challenges due to high operating temperatures, limited piping flexibility, and a demanding seismic environment. Our engineering approach addressed these complexities to deliver a reliable and compliant design.
Key Deliverables
• Comprehensive 3D modeling and detailed design drawings for pipe supports
• Thorough pipe stress analysis report
• Finite Element Analysis (FEA) report for support design
Value Proposition
The project involved critical challenges related to high-temperature creep range operation. Through close collaboration with the client’s design team, RNi7 developed a practical and robust design solution that avoided costly redesigns. Our deep expertise in high-energy piping systems helped minimize both project schedule delays and cost overruns, ensuring timely and budget-conscious delivery.
Project Definition
RNi7 was engaged to deliver a detailed design for an Oil Mist Eliminator, integrating a comprehensive model of piping, structural framework, and vessel components. The project required adherence to strict nozzle load criteria due to strain-sensitive bronze pumps, demanding advanced analysis techniques to validate the piping layout.
Description
Confronted with the challenge of qualifying a compact skid design featuring a rigid layout, RNi7 surpassed conventional approaches by employing advanced integrated FEA analysis. This method combined the vessel, piping, and structural models to validate the design thoroughly— eliminating the need for costly modifications.
Key Deliverables
- ASME Code compliant Piping design
- Vessel design
- Structure substantiation
Value Proposition
RNi7’s specialized expertise in complex, integrated analysis ensured the project met all client expectations. This innovative approach facilitated the seamless and successful implementation of the design, delivering efficiency without compromising safety or performance.
Project Definition
RNi7 was commissioned by a leading UK marine consulting company to deliver stress analysis and support design services for a comprehensive process piping system. This project entailed managing complex loading scenarios including sea states, transportation, cyclonic weather, and FPSO turret module structures. DNV served as the nominated notified body for design approval.
Description
Executed using Hexagon’s CAESAR II software, the project involved detailed pipe stress analysis and the creation of pipe support designs using Inventor. The multifaceted loading conditions and structural deflections presented significant challenges to meet stringent fatigue life requirements.
Key Deliverables
- Comprehensive pipe stress analysis
- Detail design drawings for Pipe supports
- Support datasheets for procurement
Value Proposition
RNi7’s optimized design approach and carefully selected supports addressed tight space constraints on the module, enabling compliance with critical allowable nozzle load criteria on the turret nozzle. This strategic solution avoided extensive redesign efforts, ensuring project efficiency and regulatory adherence.
Project Definition
RNi7 was entrusted to provide stress analysis and support design services for a steam superheater and air preheater system on behalf of a UK-based equipment manufacturer. The project required the use of specialized pipe materials capable of withstanding high temperatures, along with intricate support design requirements.
Description
This project was executed using Hexagon’s CAESAR II and Autodesk Inventor. Given the high temperature conditions, pipe supports were engineered using advanced Finite Element Analysis (FEA) with Ansys. Detailed pipe support designs were extracted directly from the Autodesk Inventor 3D model to ensure accuracy and seamless integration.
Key Deliverables
- 3D model and detail design drawings for Pipe supports
- Pipe stress analysis report
- FEA report for support design
Value Proposition
The piping analysis presented unique challenges due to creep range high
temperature operation. By closely coordinating with the client’s design team, RNi7 developed a practical design solution that avoided major design revisions. Leveraging extensive experience and expertise in high energy piping, the project successfully minimized both schedule delays and cost impact.
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