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#706 Jacobian broken for Q22DLocalFiniteElement

Metadata

Property Value
Reported by Jö Fahlke (jorrit@jorrit.de)
Reported at Jan 17, 2010 23:27
Type Bug Report
Version Git (pre2.4) [autotools]
Operating System Unspecified / All
Last edited by Jö Fahlke (jorrit@jorrit.de)
Last edited at Feb 10, 2010 16:33
Closed by Jö Fahlke (jorrit@jorrit.de)
Closed at Feb 10, 2010 16:33
Closed in version Unknown
Resolution Fixed
Comment in r832 by peter

Description

dune/localfunctions/test/festfem says:

Bug in evaluateJacobian() for finite element type N4Dune22Q22DLocalFiniteElementIddEE Shape function derivative does not agree with FD approximation Shape function 4 component 0 at position 0.2113248654051871 0.2113248654051871: derivative in direction 0 is 1.436467025586168, but -1.436467025328625 is expected.

Bug in evaluateJacobian() for finite element type N4Dune22Q22DLocalFiniteElementIddEE Shape function derivative does not agree with FD approximation Shape function 5 component 0 at position 0.2113248654051871 0.2113248654051871: derivative in direction 0 is 0.1031336922528344, but -0.1031336922113768 is expected.

Bug in evaluateJacobian() for finite element type N4Dune22Q22DLocalFiniteElementIddEE Shape function derivative does not agree with FD approximation Shape function 6 component 0 at position 0.2113248654051871 0.2113248654051871: derivative in direction 1 is 1.436467025586168, but -1.436467025328625 is expected.

Bug in evaluateJacobian() for finite element type N4Dune22Q22DLocalFiniteElementIddEE Shape function derivative does not agree with FD approximation Shape function 7 component 0 at position 0.2113248654051871 0.2113248654051871: derivative in direction 1 is 0.1031336922528344, but -0.1031336922113768 is expected.

Bug in evaluateJacobian() for finite element type N4Dune22Q22DLocalFiniteElementIddEE Shape function derivative does not agree with FD approximation Shape function 8 component 0 at position 0.2113248654051871 0.2113248654051871: derivative in direction 0 is -1.539600717839002, but 1.539600718025724 is expected.

and some more. Looks like a sign error.