How do I use advanced convection coefficient models in energyplus?

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The SurfaceConvectionAlgorithm:Inside object only has those four options. Is there a different algorithm that you would rather apply, or do you have specific convection coefficients that you want to apply each timestep?

UPDATE

You can set both inside and outside convection coefficients by timestep using the Energy Management System (EMS) feature of EnergyPlus. You would need to use the following EMS object:

• EMS Actuator to override Surface Convection Heat Transfer Coefficient options
• EMS Sensor that reads the schedule values of convection coefficients you want to apply each timestep (probably best to use the Schedule:File object and read this from an external CSV)
• EMS Program where the code and logic related to sensor and actuator are defined using the EnergyPlus Runtime Language (ERL)
• EMS Program Calling Manager telling EnergyPlus what model calling point to execute the Erl code defined in the EMS program. I would recommend the "BeginZoneTimestepAfterInitHeatBalance" calling point if you are altering surface convection coefficients each timestep in order to have those changes affect the surface heat balance calculations.

See an example of these EMS objects below.

EnergyManagementSystem:Actuator,
  Inside_Conv_Coeff_Act,     ! Name
  East Wall,                         ! Actuated Component Unique Name
  Surface,                           ! Actuated Component Type
  Interior Surface Convection Heat Transfer Coefficient;           ! Actuated Component Control Type

EnergyManagementSystem:Sensor,
  Inside_Conv_Coeff_Sens,                      ! Name
  Convection Coefficient Schedule,         ! Output:Variable Index Key Name
  Schedule Value;                                   ! Output:Variable Name

EnergyManagementSystem:Program,
  Inside_Conv_Coeff_Program,         ! Name
  SET Inside_Conv_Coeff_Act = Inside_Conv_Coeff_Sens;

EnergyManagementSystem:ProgramCallingManager,
  EMS Manager, ! Name
  BeginZoneTimestepAfterInitHeatBalance,       ! EnergyPlus Model Calling Point
  Inside_Conv_Coeff_Program;                 ! Program Name 1