Open-Channel k-ω CFD Solution -- 2

@subodhkumarv2015

Hi, there I hope you’re doing well. I’m a Mechanical Engineer with strong experience in SolidWorks, Ansys, SAP2000, Abaqus. I’ve completed many projects as following: • 3D modeling and mechanical design with functions • FEA and CFD simulations • Analysis result report I can deliver accurate results and fast revisions, and I always maintain clear communication and reliability. I’d be happy to discuss your project details and start immediately. Looking forward to working with you. Best regards

@daremat

Having understood the technical intricacies of your project, I believe I can offer you a unique perspective to resolve the convergence issue and facilitate fully developed flowfield in your Ansys Fluent 2024 R2 model. Despite my profile primarily aligning with web development principles, my educational background in Mechanical Engineering coupled with years of practical experience working on engineering projects gives me the expertise required for your CFD task. Over the course of my career, I have tackled challenging projects that demand logical thinking and analytical problem-solving skills like yours. I leverage my skills in Data Analysis and combine it with high-level Engineering to provide comprehensive solutions. My familiarity with Solidworks could be beneficial for mesh re-design or domain extension that might be necessary for achieving spatially invariant profiles as you desire. Furthermore, my commitment to quality work and strict adherence to deadlines make me the type of freelancer that will meticulously test the deliverables against your requirements before submitting them. In conclusion, if given the opportunity to contribute my skills to this project, I will ensure you receive an updated .cas and .dat files with satisfactory spatially invariant results, evidence of development plots of velocity, k, ω at downstream sections and a succinct note summarizing all changes made throughout the process.

@yoshidai

Hello Dear, I am a senior engineer specializing in computational fluid dynamics with extensive experience in Ansys Fluent and open-channel flow simulations. I understand you need a refined k-omega CFD solution for an open-channel model to achieve fully-developed flow profiles. ✔ Engineering expertise in fluid dynamics ✔ Proficiency with Ansys Fluent 2024 R2 ✔ Skilled in mesh design and optimization ✔ Strong background in finite element analysis ✔ Expertise in turbulence modeling, especially k-omega ✔ Solid understanding of velocity and turbulence profiles ✔ Experience with data analysis and interpretation In a previous project, I successfully tackled a similar challenge by refining the mesh and adjusting boundary conditions to achieve spatial invariance in velocity and turbulence profiles. I will provide updated .cas and .dat files, along with detailed plots showing the development of velocity, k, and ω. A concise summary document will outline all modifications and improvements made to the simulation setup. Send me a message to discuss in detail. Thank you.

@joeyw37

Hi Naima, I can take your Fluent 2024 R2 open-channel case to a truly fully developed state with k-omega (SST), delivering invariant U, k, and omega in the downstream zone. Plan: - Audit your setup (BCs, free-surface model, turbulence and wall treatment), check y+ and mesh quality. - Rebuild mesh as needed: hexa/graded layers, y+ <= 1 (or consistent scalable WF), adequate streamwise length. - Improve inflow and start-up: patch/log-law or precursor/recycling; ramp with realizable k-eps then switch to k-omega SST via field mapping. - Tighten numerics: coupled solver, second-order schemes, appropriate pressure discretization, URF tuning and pseudo-transient. - Robust monitors: profile probes at sections, friction velocity and mass imbalance; converge to residuals <= 1e-6 and flat monitors. - Validate overlap of U, k, omega across sections and document. Deliverables: - Updated .cas/.dat, plots of sections, residual/monitor histories, and a concise change log. To proceed, please share: - Current .cas/.dat, geometry and mesh - Fluid properties, target depth/flow rate, roughness, expected Re/Fr, preferred y+ - Any constraints on domain length and runtime Typical turnaround: 3–5 days. Best regards, Joey

@mayr81

Hi there, your open-channel k-ω case sounds like the kind of “numerically converged, but not truly developed” situation I live for. I’ll help you push Fluent 2024 R2 from steady convergence to spatially invariant profiles in the fully-developed zone by adjusting mesh/domain strategy, initialization, and turbulence transport settings appropriate for a free-surface open-channel configuration. Expect targeted work on under-relaxation, discretization, boundary/interface consistency, and residual/monitor definitions so the solution doesn’t only settle, it settles correctly. I’ll deliver updated .cas/.dat files plus evidence plots showing velocity, k, and ω overlap across multiple downstream stations, along with residual and monitor histories. I’ll also include a short PDF/DOC describing exactly what changed, mesh details, models, schemes, and any stability tweaks, so you can reproduce and validate easily.