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Quality Checks (PART I)

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 Hey Guys, Today we are discussing an important topic which is, How we can check our mesh? Is it right? according to the ideal shape? and how can I correct it if it is not? Firstly understand that this Quality check has two parts in which are Part I and Part II will be posted very soon.  So, now let's understand why quality checks? When we carry the meshing for a complex geometry our mesh is get distorted from its ideal shape. Every element is designed to work properly within a certain range of shapes of distortion. Exactly how much distortion it depends on is get known to us by the quality check of mesh.           The Ideal shape for a Triangular element is an Equilateral triangle and for that of quad elements, it is square. And for the tetrahedron element is a regular or isosceles tetrahedron and for Hexahydron it is a cube. When we assume the actual shape or ideal shape of our mesh and place it in the model, the shape may differ from its natura...