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Case Study

Titan Subsea Innovations Optimizes the Structural Integrity of the Titan Misalignment Flange


“At Titan Subsea Innovations, we extensively use simulation software obtained through the Ansys Startup Program to rapidly iterate and optimize our designs for our line of products. The ease of use, as well as the speed of simulation processing, allows us to perform assessments on our standard product line. It also helps us create innovative and competitive solutions for unique and challenging problems that our customers are facing. Ansys simulation has become a staple of our engineering workflow.”

--Kabir Mohammed, Principle Engineer / Titan Subsea Innovations


Business Challenges

The Titan Misalignment Flange (TMF) provides multiplanar, angular adjustment during pipeline makeup. Once the TMF is set, it must provide a permanent metal-to-metal seal in a fixed geometrical position. In this condition, the TMF is then essentially a pressure vessel with a complex geometry that cannot be perfectly represented by closed-form solutions. Titan was awarded an order for a TMF with a 10,000 psi pressure rating, and needed a solution to ensure both the sealing and structural integrity of the product.

Engineering Solution

Titan Subsea Innovations used Ansys Mechanical structural software to run finite element analysis (FEA) simulations on its imported 3D CAD models. The automatic contact detection feature, simplified meshing tools and intuitive graphical user interface enabled an easy setup of the simulation. Post-processing tools, such as stress path linearization and contact pressure mapping, delivered a simple and reliable assessment of how well the flange complied with applicable specifications and design criteria. When engineers modified a CAD model based on results, the simulation setup updated smoothly while maintaining all the parameters of the previous iteration.

Benefits

The Ansys FEA simulations allow for efficient design and validation of Titan’s products. When the TMF was assembled and tested, it performed perfectly as predicted by simulation. Not only do Ansys simulations save the hundreds of engineering hours required for manual design verification, they also produce outputs that give our clients a greater sense of confidence in our product designs.

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