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iFields Issues List</H1>
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1.0 Units/Dimensions</H2>
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2.0 Coordinate Fields</H2>
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3.0 Fields on subsets of mesh</H2>
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4.0 Basis/Distribution functions</H2>
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4.1 specify "order" and continuity</P>
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5.0 Change of basis/</H2>
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6.0 Analytic vs. Discrete/Continuous</H2>
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7.0 Ingtegral/Differential Constraints</H2>
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8.0 Memory management</H2>
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9.0 Mesh, Field, Operator interface relationships</H2>
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10.0 Mapping domain to range</H2>
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11.0 Parallelism</H2>
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12.0 Operations on fields (iField or service)</H2>
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13.0 Intrinsic/Extrinsic data</H2>
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14.0 Scalar, Vector, Tensor (coord. system)</H2>
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14.1 Transformation operations require knowledge of tensor order</P>
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15.0 Level of interoperability</H2>
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16.0 Implementation as tags</H2>
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17.0 Viability of linear solvers</H2>
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17.1 daxpy on two fields</P>
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17.2 iField built on top of a PETSC compatible thing</P>
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17.3 is mapping to global "global" a responsibility of solver or iField</P>
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17.4 tags approach not suitable for efficient solver</P>
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17.5 how can iField "prime" the solver to simplify its software design, perhaps improve performance, make more robust</P>
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17.6 decompose matrix into contributions from different fields</P>
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18.0 Splitting coupled problems (17.6)</H2>
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18.1 restriction operator should special to subfield</P>
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18.2 split by geometry or by physics</P>
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19.0 Consistency is critical</H2>
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19.1 Relationships and evaluation of conversved quantities</P>
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20.0 Derived Fields (One field is a algebraic expression of another)</H2>
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20.1 Multiple representations of the same tensor field</P>
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20.1.1 different meshes</P>
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20.1.2 different basis functions</P>
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21.0 Experimental</H2>
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21.1 Representing no-data</P>
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21.2 scattered data interpolation</P>
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21.2.1 Change of basis from delta function to some user-defined scheme</P>
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22.0 Field Representation precedes Field Operators</H2>
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