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Thermal Solver
Contains thermal solver related guides, such as the TMG reference manual, thermal API guide, and error message list.
Thermal solver API
Allows you to create or add functionality to enhance the thermal solver capabilities.
User written subroutines
This section describes two types of user-written subroutines.
Subroutine and function definitions
Function definitions
Function IELEMTYPE
Returns the type of element i. If k is not zero, then k is the external element number associated with the external element number i.

Thermal Solver
Contains thermal solver related guides, such as the TMG reference manual, thermal API guide, and error message list.
- Thermal solver guides
  Maya HTT's thermal solver is included in Simcenter 3D and in Simcenter Femap. This page contains links to thermal solver guides, which help you understand how the thermal solver works.
- Thermal solver reference
  Describes the format and contents of the thermal solver's input and output files
- Thermal solver theory
  Describes the theory and methods of the thermal solver.
- Thermal solver API
  Allows you to create or add functionality to enhance the thermal solver capabilities.
  - Introduction
  - User written subroutines
    This section describes two types of user-written subroutines.
    - USER1 subroutine
    - Interacting with the thermal solver
    - USERF subroutine
    - Specific examples
    - Subroutine and function definitions
      - Function definitions
        Function ARRAYINTERP
        Returns the interpolated value from a bivariate array defined with Card 9 - ARRAYDATA Array Variable Definition Card - Optional and Card 9 - ARRAYTYPE Array Variable Definition Card - Optional.
        Function CAPAPH
        Returns the capacitance of element k above its phase change temperature.
        Function CAPBPH
        Returns the capacitance of element k below its phase change temperature.
        Function HTLAT
        Returns the latent heat value of a phase change element.
        Function HYDPROP
        Returns a value of a fluid element for the selected property.
        Function ICONDELEM
        Returns the internal element number for the CG element associated with a given conductance number. This routine is used only with the CG conduction method.
        Function ICONV
        Returns the external element number of the integer internal element k.
        Function IELEMTYPE
        Returns the type of element i. If k is not zero, then k is the external element number associated with the external element number i.
        Function KCONV
        Returns the internal element number, k, of integer external element number, i. If i does not exist, k = 0 is returned.
        Function NAME
        Returns the alphabetically first group that contains the specified element. Internal group names are mapped to external group names with the subroutine LONGNAME.
        Function NOCOND
        Returns the conductance number of certain conductance type between two elements.
        Function TMGINT
        Performs linear interpolation in a table. Returns a value of the dependent variable (y) when provide the value of the independent variable (x).
        Function TPHASE
        Returns the phase change temperature of a phase change element.
      - Subroutine definitions
    - Compiling, linking, and debugging
  - Plugin functions in expressions
- Thermal solver error message list
  Lists solver messages that the thermal solver generates to communicate issues with the model or the solve.

Function IELEMTYPE

Returns the type of element i. If k is not zero, then k is the external element number associated with the external element number i.

Calling convention:

ii = ielemtype(i,k)


Variable name	Data type	Description
Return value
`ii`	Integer	Integer that indicates the type of element `i`. `ii` = -`1` means that the input `i` is out of the range of labels for both model elements and thermal solver created elements. In this case, the labels do not exist. `ii` = `0` `i` is defined in the user model. `ii` = `1` `i` is a reverse side element associated with element `k.` `ii` = `2` `i` is an Oppenheim element associated with element `k.` `ii` = `3` `i` is an element surface coated on element `k`. It is not possible to retrieve `ii` = 3 from the model. `ii` = `4` `i` is a uniform multilayer element of element `k.` `ii` = `5` `i` is an Oppenheim element of reverse side of element `k.` `ii` = `6` `i` is a space element. `ii` = `7` `i` is a CFD element. `ii` = `8` `i` is a thermal solver created hydraulic element connected to `k.` `ii` = `9` `i` is a thermal solver created element that is connected to element `k`. An example of these elements are boundary elements.
Arguments
`i`	Integer	The input value of external element number.
`k`	Integer	The returned value of the external element number associated with element `i`. For example, if `ii`=2, then `i` is an Oppenheim element associated with element `k`. If `ii`=1, then `i` is a reverse side and `k` is the front side label.