what is the difference between the finite element method and finite volume method?
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A finite volume method (FVM) discretization is based upon an integral form of the PDE to be solved (e.g. conservation of mass, momentum, or energy). ... A finite element method (FEM) discretization is based upon a piecewise representation of the solution in terms of specified basis functions.
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Explanation: While conduction is the transfer of heat energy by direct contact, convection is the movement of heat by actual motion of matter; radiation is the transfer of energy with the help of electromagnetic waves. The matter is present around us, in three states, solid, liquid and gas.
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Analytical methods usually refer to things that we solve with closed form equations on paper. Numerical methods refer to techniques for solving the same problem with a computer. Analytical methods usually provide the most meaningful answer because we get an equation showing us exactly what happens with each variable.
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The solid maintains a fixed shape and size; even when a large force is applied, a solid will not change easily in form or volume. A liquid does not maintain a fixed form, but takes that of its container; Like solids, it does not compress easily, but its volume can change appreciably if a very large force is applied.
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As nouns the difference between sieve and mesh is that sieve is a device to separate larger objects from smaller objects, or to separate solid objects from a liquid while mesh is a structure made of connected strands of metal, fiber, or other flexible/ductile material, with evenly spaced openings between them.
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Weight: Weight is determined by the heaviness, or mass, of the particular item, and is measured with the use of a scale. ... Volume: Volume is the amount of space that an item you are measuring takes up. It's a common measurement in food recipes and recipes where ratios are more important than precision.
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The main difference between them and the simpler Euler equations is that Navier–Stokes equations model viscosity while the Euler equations are only valid for inviscid flow. The Navier–Stokes equations are useful because they describe the physics of many phenomena of scientific and engineering interest.
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ultimate stress design method produces a more rational and economical design compared to working stress design method. also, the ultimate stress design method utilizes a more realistic factor of safety. ... failure at factored load means the section exceeds the elastic region to ultimate strength then failure.
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Lesson Summary We learned that volume is the amount of space inside a solid figure and that capacity is how much liquid a three-dimensional figure can hold. The difference between the two is the way we represent the measurements. We measure volume in cubic units and capacity in units such as gallons, pints, and quarts.
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Volume is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, like a solid, a liquid or a gas. 2. Volume is measured in cubic units, while capacity can be measured in almost every other unit, including liters, gallons, pounds, etc.
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In normal strain volume change'll happen when deformation occurs, whereas in shear strain no volume will change. So both are differ. When deformation happens to the material, the parallel internal surfaces slide past one another. i.e: (the deformation occurs perpendicular to a given line rather than parallel to it.)
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In finite difference,[5] the dependent variable values are stored at the nodes only. Infinite element method, the dependent values are stored at the element nodes. But in finite volume method, the dependent values are stored in the centre of the finite volume.
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The key difference between bulk deformation and sheet metal forming is that in bulk deformation, work parts have a low area to volume ratio whereas, in sheet metal forming, the area to volume ratio is high. ... in bulk deforming process while, in sheet metal forming process, the initial shape is a sheet.
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Answer: Load which is applied to membrane objects transfers directly to supporting structural objects, whereas meshed shell objects have bending stiffness and therefore resist a portion of the load through flexural deformation.
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Volume is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, like a solid, a liquid or a gas. ... Volume is measured in cubic units, while capacity can be measured in almost every other unit, including liters, gallons, pounds, etc.
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The finite difference method (FDM) is an approximate method for solving partial differential equations. It has been used to solve a wide range of problems. These include linear and non-linear, time independent and dependent problems.
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While conduction is the transfer of heat energy by direct contact, convection is the movement of heat by actual motion of matter; radiation is the transfer of energy with the help of electromagnetic waves.