Fuel Tank 3D Design Optimization & FEA - 02/04/2026 13:25 EDT

@saleiz2019

Hi there! Thank you for the invitation. As you can see in the link below, I have done a related project for water tank. I used ANSYS Fluent to capture the pressure from the dynamic nature of the fluid in the tank and used that pressure as a loading condition in the FEA analysis using a coupled ANSYS Transient Structural. I will share sample results on the chat. With my mechanical engineering expertise and 10 years of ANSYS experience I believe I will deliver quality work that exceeds your expectations. I just have one more requirement though. Can you send both CAD files in .STEP file in the chat so that I can import directly in ANSYS SpaceClaim and clean to prepare it for meshing. I look forward to hearing back from you. https://www.freelancer.com/projects/mechanical-engineering/Dynamic-FEA-for-fluid-tank/reviews Best regards, Saleamlak A.

@futrasabbas9

I am a Mechanical Engineer with 3+ years of experience in FEA and CFD, specializing in design optimization and multiphysics simulations using ANSYS and COMSOL. I have worked on projects involving fuel tank hydrostatic pressure analysis, dam gate structural behavior, and several multiphysics problems including thermal–structural coupling and material deformation. Your project aligns closely with my expertise, particularly in analyzing polymer-based components under pressure and temperature and addressing creep deformation issues. I can efficiently develop an FEA model to replicate the observed 3 mm displacement and propose practical, rotomolding-compatible design improvements such as localized stiffening or optimized wall thickness (within 3.5–5 mm constraints). I understand the need for a focused and fast turnaround, and I am confident in delivering results within your accelerated timeline while maintaining accuracy and engineering validity. I can also share relevant sample work demonstrating similar analyses and optimization approaches. Looking forward to collaborating on this and future projects.

@rvwebfreelancing

Hi there! Addressing creep in XLPE tanks requires viscoelastic-aware FEA, correct material modeling, and localized stiffening strategies that respect rotomolding constraints without altering overall geometry. We will run targeted simulations to replicate deformation, then implement optimized reinforcements or thickness tuning to eliminate interference while preserving volume. We also have access to in-house 3D printing, so prototypes can be tested and refined if required. ✅ Do you have material data (creep curves, modulus vs temp) for XLPE? ✅ Preferred FEA tool (ANSYS, SolidWorks Simulation, Abaqus)? ✅ Any constraints on rib placement or mold complexity? Portfolio: www.freelancer.com/u/rvwebfreelancing/mech We will be happy to address any questions and ensure a smooth project process. Ready when you are. Buildtrix Studio

@miskinarati

Hi there, I would be happy to assist with fuel tank 3D design optimization and FEA to ensure structural safety, weight efficiency, and compliance with operating conditions. With expertise in structural analysis, pressure vessel behavior, and ANSYS-based simulations, I can deliver a robust and optimized design solution. Approach: Review existing CAD or develop parametric 3D model Apply realistic loading conditions (internal pressure, mounting loads, sloshing effects) Perform static structural and fatigue analysis Conduct modal analysis to avoid resonance and vibration issues Optimize geometry (thickness, stiffeners, weld regions) to reduce stress concentration Iterate design for weight reduction while maintaining safety factor Deliverables: Optimized 3D CAD model (STEP/Parasolid) FEA results (stress, deformation, safety factor plots) Design comparison (baseline vs optimized) Detailed engineering report with recommendations Timeline: To be determined after discussing project scope. Budget: Open to negotiation based on complexity. Looking forward to collaborating on this project. Let’s connect to discuss further. Best regards, Arati M.

@sahildogra222

Hello Mate!Greetings , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in Ansys, Solidworks, 3D Modelling, DFM (Design for Manufacturing), 3D Design, 3D CAD, Mechanical Engineering and Finite Element Analysis. For more information about me, please refer to my portfolios. I am checking your attachment, I'll update you shortly... I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thank you for your attention

@ahmedaseliman

Hi Iam Ahmed, Mechanical/ CAD designer with extensive experience in 3D design and modelling, I am confident in my ability to optimize your fuel tank design. What separates me from other designers is my deep knowledge of rotomolding and familiarity with polymer components like XLPE. This means I can approach the FEA analysis not only with a strong foundation, but also with specific insights into the challenges you're presently experiencing.

@awaisshehaz

As an experienced 3D printable model designer, my proficiency in Solidworks and overall 3D CAD and modelling will be indispensable for your project. With a track record spanning over half a decade, I — Muhammad — have built a reputation of delivering accurate, print-ready models for various products including the type necessary for your fuel tank redesign. While polymer components and rotomolding are assets I'm not fully familiar with, my experience working with different filaments - PLA, ABS, PETG, TPU, and Resin - enables me to expertly select the ideal material based on specific requirements such as strength and flexibility. Crucially, being efficient and reliable in delivering my work perfectly aligns with the short-duration aim of your project. My understanding of the slicing aspect utilizing Cura, PrusaSlicer, Simplify3D, and Bambu Studio gives me an edge in optimizing settings to ensure not just quality but also timely completion. Completing this job for you over the upcoming long weekend is definitely something I can guarantee.

@sakshis576

As a diversified mechanical engineer with profound experience in 3D design and modeling, I would be thrilled to lend my skills for the optimization and FEA of your XLPE fuel tank. Drawing upon my history of designing effective mechanical structures fit to endure intense pressures and evolving temperatures, I'm confident in efficiently tackling this project. With comprehensive knowledge of polymer components and rotomolding, I can better understand and execute the necessary design improvements that would withstand these deformations. I am well-versed in utilizing advanced tools such as Solidworks, AutoCAD, Rhino Grasshopper among others which offer a wide range of FEA analysis capabilities. I can simulate the observed displacement proficiently and propose pragmatic targeted adjustments that focus solely on the problematic area while preserving the overall geometry and internal volume of your fuel tank. What sets me apart is my diverse practical experience alongside theoretical proficiency – I have worked on numerous projects where on-site constraints shape integral design solutions. A critical highlight for you: my approach not only guarantees elimination of potential discrepancies but optimizes your time and budget served best. Because ultimately, crafting functional yet cost-effective designs is a passion I couldn't be more immersed

@iamVutuk

Vutuk Design and Media is pleased to submit this proposal for your Fuel Tank Design Optimization and FEA project. Our firm offers a sophisticated engineering suite that combines advanced simulation capabilities with professional technical visualization. With over a decade of experience in product design and analysis, we excel at taking existing concepts and refining them for peak performance. Our team utilizes industry-leading tools like Siemens NX and ANSYS to provide a dual-stage optimization: first for structural integrity (FEA) and second for fluid behavior (CFD). Would you like a 3D animation showcasing the fluid sloshing behavior and baffle performance within the tank? Are you considering alternative materials (e.g., composites vs. aluminum) that we should evaluate during the FEA phase? Do you require a Modal Analysis to ensure the tank’s natural frequencies do not interfere with the vehicle's operating range? Will the final design require high-fidelity renderings for technical documentation or marketing presentations? We invite you to explore our profile and portfolio to view our diverse range of engineering simulations and high-end product visualizations. Vutuk Design and Media is ready to deliver a robust, optimized solution for your project.

@Kanjerih

Hello, This is exactly the kind of focused, engineering-driven problem I enjoy solving. I’m a mechanical engineer with strong experience in FEA (ANSYS/SolidWorks Simulation) and product optimization, and I’ve worked on deformation, stiffness improvement, and material behavior under load, especially where real-world performance needs to match simulation. I understand the issue here is creep-like deformation under low pressure and moderate temperature, leading to interference. My approach will be practical and targeted: first, I’ll replicate the observed deformation using an efficient FEA setup (including appropriate material assumptions for XLPE and boundary conditions). Then I’ll focus on localized design improvements such as ribs, curvature adjustments, or controlled wall thickening while preserving overall geometry, volume, and rotomolding feasibility. I’m familiar with designing for manufacturability, so any proposed changes will remain compatible with rotomolding constraints and avoid unnecessary complexity. The goal is not over-design, but a minimal, effective solution that eliminates the 3 mm displacement and ensures stable performance. You will receive a clear FEA-backed recommendation, including deformation comparisons (before/after), and a refined 3D model reflecting the improvement. I can also provide quick visual results for fast decision-making. I’m available to start immediately and can prioritize this over the weekend to meet your early next week timeline.

@hanee369

I can efficiently support this project with a focused and practical engineering approach. I have strong experience in SolidWorks 3D modeling, design optimization, and FEA analysis, including working with thin-walled components and deformation behavior. For your XLPE fuel tank, I will: Reproduce the creep deformation under pressure and temperature using a realistic FEA setup Identify the critical stress and displacement zones causing the 3 mm interference Propose targeted design improvements (local stiffening, optimized geometry, or controlled thickness increase within rotomolding limits) Validate the solution through simulation to ensure interference is eliminated while maintaining volume and manufacturability I understand the importance of rotomolding constraints and polymer behavior, and I focus on delivering practical, production-ready solutions—not overdesigns. I’m available to start immediately and deliver results within your accelerated timeline (weekend work included). Looking forward to collaborating on this and future projects.

@GameOfWords

With over 6 years of experience in development, mechanical design, FEA analysis, and polymer component optimization, I have worked on similar deformation and creep-related challenges in rotomolded parts, delivering practical, simulation-backed improvements without full redesigns. I understand your XLPE fuel tank is experiencing creep deformation under low pressure and elevated temperature, leading to interference, and your goal is a targeted, manufacturable fix. I will recreate the behavior using accurate material properties and time-dependent FEA, identify the critical stress zones, and propose localized solutions such as ribbing, geometry refinement, or controlled wall thickening within rotomolding constraints. The focus will be on minimal volume impact while ensuring deformation is reduced below interference limits, validated through simulation results. I can prioritize this for an accelerated turnaround with clear documentation and design recommendations. Could you share the current CAD model and material data for XLPE, and do you have any constraints on adding ribs or external features in the affected area?

@FutureStation9

Hello, we can quickly run FEA and fix deformation. We will optimize design fast and deliver results this weekend.

@jowayne77

Hello, Project Description: We are seeking a mechanical engineer with strong experience in 3D design and optimization as well as FEA analysis to improve the design of an existing XLPE (cross-linked polyethylene) fuel tank. Knowledge of polymer components and/or rotomolding is a strong asset. The tank currently exhibits creep deformation under internal pressure (~1 psi) and temperature (~40°C), causing one wall to displace by approximately 3 mm and interfere with an adjacent component after about 20 minutes of operation. Freelancer Profile: Hi, I'm Jowayne. With over a decade of hands-on experience in structural design, I have tailored my skills to suit relevant design undertakings. My proficiency in software such as AutoCAD, REVIT and others aligns verbatim with the technical demands of this project. Beyond the technicalities, my track record of successful projects characterizes me as creative problem-solver, constantly seeking innovative designs that adhere to specific constraints. Skills: To take advantage of their experience, Company needs someone who can translate an observed problem into a pragmatic solution via effective FEA analysis. By leveraging my profound knowledge in Finite Element Analysis (FEA), I am ready to efficiently simulate and reproduce this deformative behavior within a short timeline, also proposing apt design improvements that address the issue while maintaining core constraints like packaging and minimal re Thanks!

@revival786

Greetings, I've reviewed your XLPE fuel tank project. You need FEA analysis to reproduce creep deformation (3 mm displacement at ~1 psi, 40°C after 20 minutes) and propose practical design improvements — local stiffening, geometry adjustments, or controlled wall thickness increase up to 5 mm — while maintaining overall geometry and rotomolding compatibility. I provide mechanical engineering and FEA analysis services, and I can deliver this for you. My approach: First, I will create a simplified 3D model of your existing tank geometry from your drawings or STEP file. I will apply material properties for XLPE (viscoelastic creep model), internal pressure of 1 psi, and 40°C thermal load. The FEA will simulate 20 minutes to reproduce the 3 mm wall displacement at the problematic area. Once the baseline matches observed behavior, I will test targeted modifications — local ribs or gussets, thickness transition zones, or slight contour changes. Each solution must remain rotomoldable (draft angles, uniform thickness transitions, no sharp internal corners). I will simulate each variant and recommend the simplest fix that reduces deformation enough to eliminate interference. Timeline: I can complete this over the long weekend, with results ready early next week. I just need your existing tank CAD file or detailed drawing, material data sheet if available, and exact location of the adjacent component causing interference. Best regards, Revival

@IlyaCAD

Small indentations should be added to the curved wall to serve as stiffening ribs. Although we lose one cubic inch of volume, we gain additional rigidity.