partial model Example1 "Example 1 partial model" extends Modelica.Icons.Example; package Medium = Modelica.Media.Water.ConstantPropertyLiquidWater; parameter Real m_flow_nominal=0.1 "Gain value multiplied with input signal"; Buildings.Fluid.Sources.Boundary_pT bou( redeclare package Medium = Medium, nPorts=1) "Boundary for pressure boundary condition"; Fluid.Movers.FlowControlled_m_flow pump( redeclare package Medium = Medium, m_flow_nominal=m_flow_nominal, filteredSpeed=false, allowFlowReversal=allowFlowReversal.k, energyDynamics=Modelica.Fluid.Types.Dynamics.FixedInitial, nominalValuesDefineDefaultPressureCurve=true) "Pump model with unidirectional flow"; Buildings.Fluid.HeatExchangers.HeaterCooler_T hea( redeclare package Medium = Medium, dp_nominal=1000, Q_flow_maxHeat=1000, Q_flow_maxCool=0, m_flow_nominal=m_flow_nominal, energyDynamics=Modelica.Fluid.Types.Dynamics.FixedInitial, allowFlowReversal=allowFlowReversal.k) "Heater"; Modelica.Blocks.Sources.Pulse pulse(period=1000) "Pulse input"; Modelica.Blocks.Math.Gain gain(k=m_flow_nominal) "Gain for m_flow_nominal"; Buildings.Fluid.Actuators.Valves.ThreeWayLinear val( redeclare package Medium = Medium, m_flow_nominal=m_flow_nominal, dpValve_nominal=1000, l={0.002,0.002}, energyDynamics=Modelica.Fluid.Types.Dynamics.SteadyState, filteredOpening=false, portFlowDirection_1=if allowFlowReversal.k then Modelica.Fluid.Types.PortFlowDirection.Bidirectional else Modelica.Fluid.Types.PortFlowDirection.Entering, portFlowDirection_2=if allowFlowReversal.k then Modelica.Fluid.Types.PortFlowDirection.Bidirectional else Modelica.Fluid.Types.PortFlowDirection.Leaving, portFlowDirection_3=if allowFlowReversal.k then Modelica.Fluid.Types.PortFlowDirection.Bidirectional else Modelica.Fluid.Types.PortFlowDirection.Entering) "Three way valve with constant input"; Modelica.Blocks.Sources.Constant const(k=0.5) "Constant valve set point"; Modelica.Blocks.Sources.BooleanConstant allowFlowReversal(k=true) "Block for setting allowFlowReversal in components"; Buildings.Fluid.FixedResistances.FixedResistanceDpM[nRes.k] res( redeclare package Medium = Medium, each allowFlowReversal=allowFlowReversal.k, each m_flow_nominal=m_flow_nominal, each dp_nominal=1000, each from_dp=from_dp.k) "Fluid resistance for splitting flow"; Modelica.Blocks.Sources.IntegerConstant nRes(k=20) "Number of parallel branches"; Modelica.Blocks.Sources.BooleanConstant from_dp(k=false) "Block for setting from_dp in res"; equation connect(bou.ports[1],hea. port_a); connect(pulse.y,hea. TSet); connect(pump.m_flow_in, gain.y); connect(gain.u,pulse. y); connect(hea.port_b,val. port_1); connect(val.port_2, pump.port_a); connect(const.y,val. y); connect(val.port_3,hea. port_a); for i in 1:nRes.k loop connect(pump.port_b, res[i].port_a); end for; end Example1;