difference between mapped and free mesh

huangyhg

difference between mapped and free mesh
dear all,
i am dealing with a 2d model where in it's very difficult to go for a mapped mesh. but i have been instructed to go for that strictly in the regions of flange connection and bolts. in previous analysis i used to go for a general free mesh (ansys). can any one tell me what diffence we will feel in th eresults if i go for a mapped mesh instead of a free mesh. (according to me in the critical regions it only matters about the quality of your mesh and their density to apture the actual variation of the field vatiable).
suggest me the things ...
thanks in advance

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hi, you can post this to finite element analysis engineering forum (