***************** **Heat Capacity** ***************** :: Heat Capacity = {model_name} {float_list} [E/MT] ----------------------- **Description / Usage** ----------------------- This required card is used to specify the model for the heat capacity. Definitions of the input parameters are as follows: +-----------------+------------------------------------------------------------------------------------------------------------+ |{model_name} |Name of the model for the heat capacity. This parameter can have one of the following values: **ONSTANT**, | | |**USER**, or **ENTHALPY**. | +-----------------+------------------------------------------------------------------------------------------------------------+ |{float_list} |One or more floating point numbers ( through ) whose values are determined by the selection | | |for {model_name}. These are identified in the discussion of each model below. | +-----------------+------------------------------------------------------------------------------------------------------------+ Thus, +---------------------+--------------------------------------------------------------------------------------------------------+ |**CONSTANT** |This option specifies a constant heat capacity. The {float_list} has a single value: | | | | | | * - Heat capacity | +---------------------+--------------------------------------------------------------------------------------------------------+ |**USER** ... |the heat capacity will be a user-defined model. This user-defined model must be incorporated by | | |modifying the routine “usr_heat_capacity” in the file user_mp.c. The model parameters are entered in the| | |{float_list} as through and passed to the routine as an array. | +---------------------+--------------------------------------------------------------------------------------------------------+ |**ENTHALPY** |a model of heat capacity that uses the latent heat of fusion parameter. The model goes as follows: | | |Here the {float_list} requires two values, where: | | | | | | * - Base heat capacity in the solid state, cp | | | * - Latent heat of fusion Hf | | | | | |The liquidus temperature Tl and the solidus temperature Ts are taken from the material file. This model | | |is currently available for single species only, and is used for rapid melting problems in alloys. | +---------------------+--------------------------------------------------------------------------------------------------------+ |**TABLE** |Please see discussion at the beginning of the material properties chapter 5 for input description and | | |options. Most often character_string1 will be **TEMPERATURE** or maybe **MASS_FRACTION**. | |{LINEAR | BILINEAR} | | |[integer2] | | |[FILE = filenm] | | +---------------------+--------------------------------------------------------------------------------------------------------+ ------------ **Examples** ------------ Following is a sample card: :: Heat Capacity = CONSTANT 1. ------------------------- **Technical Discussion** ------------------------- When the **ENTHALPY** option is used, the liquidus (Tl) and solidus (Ts) temperatures must be added through the *Liquidus Temperature and Solidus Temperature* cards. -------------- **References** -------------- No References.