Mechanical Analysis Blog
Posts tagged with 'Model'
Are You Kidding Me?Make Another One??
CFD,Giving Our Prototype Machinists a BreakComputational fluid dynamics,of CFD,was a central focus of recent industry events,and I find the topic keeps cropping up in mil/aero discussions of late.In fact,CFD simulation tools are increasingly being employed by military prime contractors (aka,primes) to meet contract requirements,such as survivability in extreme environments and temperatures,…Read More
Embedded Systems,,Engineer,,FloEFD,,FloTHERM,,Hardware,,散热器,,Mechanical,,Mentor,,Mentor Graphics,,Mentor.com,,Aerospace,,aluminum,,Azonix,,CAD,,CFD,,Copper,,Crane,,Design,,Design Automation,,EDA,,Mil-Aero,,Milaero,,Military,,Model,,prototype,,金宝愽备用网址,,Terra Server,,Thermal,,Vetronics
The art of modelling using CFD.Part VI - Peripheral Boundary Conditions
This final blog in this series focuses on what is sometimes the most ethereal of CFD modelling arts,where and how to define your peripheral boundary conditions.A fancy phrase but in reality no more than deciding where the interface is between what you model and what you don't.Heat is contemptuous of such divisions,it will spread out from it's source and keep on spreading via convection,conduction …Read More
modelling,,BC,,boundary condition,,CFD,,Electronics Cooling,,FloTHERM,,Model,,Modeling
The art of modelling using CFD.Part V - Grid
Any simulation technology based on an approach of subdividing a 3D model into many tessellated control volumes (e.g.the finite volume method) will be affected by the shape and size of those ‘mesh cells' or ‘grid'.How fine should the mesh be to resolve the physics of the model being simulated?Good question.I used to ask my art teacher how to draw curtains.You don't have to be a comic to figure out …Read More
modelling,,CFD,,Electronics Cooling,,FloTHERM,,Grid,,Mesh,,Model,,Modeling
The art of modelling using CFD.Part IV - Fans
Sometimes the ability to apply artistic interpretation of your virtual product to your simulation model of it is limited or dictated (take your pick) by the available capabilities of that simulation tool.CFD simulation is quite a young technology,application to electronics cooling newer still,a mere 21 years old.Always pushing the limit of available computing resource,always adapting to the ever …Read More
modelling,,BCI,,compact model,,Electronics Cooling,,Fan,,FloTHERM,,Model,,Modeling
The art of modelling using CFD.Part III - TIGs
Never trust a TLA (three-letter acronym) or those who use them,unless the abbreviation provides some value in terms of repetitive usage or is accepted as an industry standard.Too often TLAs are used as a screen between those who are listening and the incompetence of the person talking.TIGs (thermally insignificant geometries) as a TLA is neither useful nor accepted,I just made it up.Thermally …Read More
modelling,,CFD,,Electronics Cooling,,flomcad,,FloTHERM,,MCAD,,Model,,Modeling
The art of modelling using CFD.Part II - Grilles
Wiki quote:"A grille is an opening of several slits side by side in a wall or metal sheet or other barrier,usually to let air or water enter and/or leave but keep larger objects including people and animals in or out."For electronic products that need to be kept cool,getting cool air in through grille work is commonplace,thermal designers love them,EMC/EMI designers don't.For such products,keeping …Read More
science,,art,,CFD,,Electronics Cooling,,FloTHERM,,Model,,Modeling,,modelling
The art of modelling using CFD.Part I - What happens if you cross art with science??
Considering that CFD (Computational Fluid Dynamics) is an advanced mathematical method for predicting fluid flow and heat transfer using a computational 金宝愽备用网址software approach I find it paradoxical that it is often as much an art as it is a science.A model by its very definition is a representation of something.A computer model is a virtual representation of a system (e.g.a laptop,a rack mounted server,…Read More
science,,art,,CFD,,FloTHERM,,FloVENT,,Model,,Modeling,,modelling
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