[{"data":1,"prerenderedAt":117},["ShallowReactive",2],{"$f3oozso2fcavq3":3},[4,17,27,36,44,54,62,70,79,86,93,101,110],{"slug":5,"publishedAt":6,"category":7,"title":8,"summary":9,"image":10,"imageAlt":15,"readingMinutes":16},"cfd-convergence-criteria","2026-10-12","methods","CFD Convergence Criteria: Why Residuals Alone Are Not Enough","Residuals fell three orders and the answer is still moving. Learn three checks that show a CFD solution has converged, with a worked example and a checklist.",{"src":11,"thumbnail":12,"width":13,"height":14},"\u002Fassets\u002Fcfd-cases\u002Fmixing\u002Fimages\u002F05.webp","\u002Fbrand\u002Fstudies\u002Fmixing.svg",1448,1086,"DEEB-FLOW illustration of a monitored quantity plotted against time in a mixing study",5,{"slug":18,"publishedAt":6,"category":19,"title":20,"summary":21,"image":22,"imageAlt":25,"readingMinutes":26},"cfd-simulation-cost","guides","How Much Does a CFD Study Cost? Six Things Set the Price","CFD studies run from about USD 1,500 to tens of thousands. See the six factors that move a quote, real starting prices, and five ways to lower yours.",{"src":23,"thumbnail":24,"width":13,"height":14},"\u002Fassets\u002Fcfd-cases\u002Fburner\u002Fimages\u002F01.webp","\u002Fbrand\u002Fstudies\u002Fburner.svg","DEEB-FLOW illustration of a burner geometry prepared for analysis",4,{"slug":28,"publishedAt":6,"category":19,"title":29,"summary":30,"image":31,"imageAlt":34,"readingMinutes":35},"cfd-simulation-diverging","CFD Simulation Diverging? Seven Checks in the Right Order","A diverging CFD run has a cause, and lowering under-relaxation rarely finds it. Work through seven checks in order, from units and boundaries to numerics.",{"src":32,"thumbnail":33,"width":13,"height":14},"\u002Fassets\u002Fcfd-cases\u002Fnozzle\u002Fimages\u002F02.webp","\u002Fbrand\u002Fstudies\u002Fnozzle.svg","DEEB-FLOW illustration of a velocity field in a spray-drying chamber",6,{"slug":37,"publishedAt":6,"category":19,"title":38,"summary":39,"image":40,"imageAlt":43,"readingMinutes":16},"drop-shaped-tubes-heat-transfer","Drop-Shaped Tubes vs Circular Tubes: Heat Transfer Compared","Drop-shaped tubes keep the flow attached longer than circular ones. See what that does to heat transfer, pressure drop and pumping power, and its limits.",{"src":41,"thumbnail":42,"width":13,"height":14},"\u002Fassets\u002Fcfd-cases\u002Fexternal\u002Fimages\u002F06.webp","\u002Fbrand\u002Fstudies\u002Fexternal.svg","DEEB-FLOW illustration of streamlines around circular, cam-shaped and drop-shaped tubes",{"slug":45,"publishedAt":6,"category":7,"title":46,"summary":47,"image":48,"imageAlt":53,"readingMinutes":35},"ejector-cfd-turbulence-model","Ejector CFD Simulation: Which Turbulence Model to Trust","Ejector CFD depends heavily on the turbulence model. See what a published validation reports for k-omega SST, where it is weaker, and how to compare designs.",{"src":49,"thumbnail":50,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Fejector\u002Fimages\u002F03.webp","\u002Fbrand\u002Fstudies\u002Fejector.svg",1672,941,"DEEB-FLOW illustration of a pressure field in an ejector",{"slug":55,"publishedAt":6,"category":19,"title":56,"summary":57,"image":58,"imageAlt":61,"readingMinutes":16},"heat-exchanger-flow-maldistribution","Heat Exchanger Flow Maldistribution: Why Units Miss Duty","An exchanger that misses its duty often has uneven flow between tubes. Learn the one-minute header check, the causes, and what a CFD study shows.",{"src":59,"thumbnail":60,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Fshell\u002Fimages\u002F03.webp","\u002Fbrand\u002Fstudies\u002Fshell.svg","DEEB-FLOW illustration of a velocity field in a shell-and-tube heat exchanger",{"slug":63,"publishedAt":6,"category":7,"title":64,"summary":65,"image":66,"imageAlt":69,"readingMinutes":35},"how-accurate-is-cfd","How Accurate Is CFD? What Acceptable Error Really Means","CFD has no single accuracy figure. See where the error comes from, what a published validation reports, and how to decide what error your decision can tolerate.",{"src":67,"thumbnail":68,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Fvalidation\u002Fimages\u002F06.webp","\u002Fbrand\u002Fstudies\u002Fvalidation.svg","DEEB-FLOW illustration of a Nusselt number plot comparing experiment with simulation",{"slug":71,"publishedAt":6,"category":7,"title":72,"summary":73,"image":74,"imageAlt":77,"readingMinutes":78},"k-omega-sst-vs-k-epsilon","k-omega SST vs k-epsilon: Which Model and What y+","Choosing between k-omega SST and k-epsilon depends on how you treat the wall. Compare the two models, see which y+ each needs, and calculate the first cell height.",{"src":75,"thumbnail":76,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Faero\u002Fimages\u002F01.webp","\u002Fbrand\u002Fstudies\u002Faero.svg","DEEB-FLOW illustration of velocity streamlines in an aerodynamics case",7,{"slug":80,"publishedAt":6,"category":7,"title":81,"summary":82,"image":83,"imageAlt":85,"readingMinutes":16},"mesh-independence-study","Mesh Independence Study: A Worked GCI Example","A step-by-step mesh independence study: three meshes, the refinement ratio, the observed order and the grid convergence index, ending in one sentence for your report.",{"src":84,"thumbnail":60,"width":13,"height":14},"\u002Fassets\u002Fcfd-cases\u002Fshell\u002Fimages\u002F06.webp","DEEB-FLOW illustration of pressure drop plotted against mass flow rate",{"slug":87,"publishedAt":6,"category":19,"title":88,"summary":89,"image":90,"imageAlt":92,"readingMinutes":16},"openfoam-vs-ansys-fluent","OpenFOAM vs Ansys Fluent: Which Should Your Team Use?","OpenFOAM and Ansys Fluent solve the same equations. Compare licence cost, learning time, support, meshing and automation, with a table to help you choose.",{"src":91,"thumbnail":12,"width":13,"height":14},"\u002Fassets\u002Fcfd-cases\u002Fmixing\u002Fimages\u002F04.webp","DEEB-FLOW illustration of streamlines in a mixing case",{"slug":94,"publishedAt":6,"category":19,"title":95,"summary":96,"image":97,"imageAlt":100,"readingMinutes":16},"will-ai-replace-cfd","Will AI Replace CFD? What Surrogate Models Can and Cannot Do","AI surrogates return a flow field in seconds, but they are trained on CFD and fail quietly outside their data. What they do well and what engineers should learn.",{"src":98,"thumbnail":99,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Fventilation\u002Fimages\u002F03.webp","\u002Fbrand\u002Fstudies\u002Fventilation.svg","DEEB-FLOW illustration of a velocity volume rendering in a ventilation case",{"slug":102,"publishedAt":103,"category":19,"title":104,"summary":105,"image":106,"imageAlt":108,"readingMinutes":109},"cfd-project-brief","2026-10-06","Before CFD: define the engineering decision","What to bring to a CFD discussion: the equipment, operating envelope, available evidence and the decision the calculation must support.",{"src":107,"thumbnail":50,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Fejector\u002Fimages\u002F02.webp","DEEB-FLOW illustration of an industrial ejector and flow fields",2,{"slug":111,"publishedAt":103,"category":7,"title":112,"summary":113,"image":114,"imageAlt":116,"readingMinutes":109},"verification-and-validation","Verification and validation: two different questions","A converged CFD solution is a starting point. Numerical checks and comparison with physical evidence answer different questions about a model.",{"src":115,"thumbnail":68,"width":51,"height":52},"\u002Fassets\u002Fcfd-cases\u002Fvalidation\u002Fimages\u002F03.webp","DEEB-FLOW concept illustration of a heat-transfer experiment and numerical comparison",1791759706596]