Add NMSM Pipeline muscle model for use in Moco

Bindings/OpenSimHeaders_actuators.h

@@ -16,6 +16,7 @@
 #include <OpenSim/Actuators/Millard2012AccelerationMuscle.h>
 #include <OpenSim/Actuators/McKibbenActuator.h>
 #include <OpenSim/Actuators/DeGrooteFregly2016Muscle.h>
+#include <OpenSim/Actuators/MeyerFregly2016Muscle.h>
 
 #include <OpenSim/Actuators/ModelFactory.h>
 #include <OpenSim/Actuators/ModelProcessor.h>

Bindings/actuators.i

@@ -12,6 +12,7 @@
 %include <OpenSim/Actuators/Millard2012AccelerationMuscle.h>
 %include <OpenSim/Actuators/McKibbenActuator.h>
 %include <OpenSim/Actuators/DeGrooteFregly2016Muscle.h>
+%include <OpenSim/Actuators/MeyerFregly2016Muscle.h>
 %template (SetFunctionBasedPaths) OpenSim::Set<OpenSim::FunctionBasedPath>;
 
 %include <OpenSim/Actuators/ModelFactory.h>

CHANGELOG.md

@@ -23,6 +23,7 @@ v4.6
   components. The `ForceProducer` API was also rolled out to a variety of existing `Force` components, which
   means that API users can now now ask many `Force` components what forces they produce (see #3891 for a
   comprehensive overview).
+- Added `MeyerFregly2016Muscle` class to support NMSM Pipeline-equivalent muscle models in Moco. (#3908)
 
 v4.5.1
 ======
@@ -88,6 +89,7 @@ pointer to avoid crashes in scripting due to invalid pointer ownership (#3781).
 - Improved exception handling for internal errors in `MocoCasADiSolver`. Problems will now abort and print a descriptive error message (rather than fail due to an empty trajectory). (#3834)
 - Upgraded the Ipopt dependency Metis to version 5.1.0 on Unix and macOS to enable building on `osx-arm64` (#3874).
 
+
 v4.5
 ====
 - Added `AbstractGeometryPath` which is a base class for `GeometryPath` and other path types (#3388). All path-based

OpenSim/Actuators/RegisterTypes_osimActuators.cpp

@@ -79,6 +79,7 @@ OSIMACTUATORS_API void RegisterTypes_osimActuators()
     Object::RegisterType(Millard2012EquilibriumMuscle());
     Object::RegisterType(Millard2012AccelerationMuscle());
     Object::RegisterType(DeGrooteFregly2016Muscle());
+    Object::RegisterType(MeyerFregly2016Muscle());
 
     Object::registerType(ModelProcessor());
     Object::registerType(ModOpIgnoreActivationDynamics());

OpenSim/Actuators/osimActuators.h

@@ -40,6 +40,7 @@
 #include "Millard2012EquilibriumMuscle.h"
 #include "Millard2012AccelerationMuscle.h"
 #include "DeGrooteFregly2016Muscle.h"
+#include "MeyerFregly2016Muscle.h"
 
 #include "McKibbenActuator.h"
 

OpenSim/Moco/Components/StationPlaneContactForce.h

@@ -149,8 +149,7 @@ Meyer A. J., Eskinazi, I., Jackson, J. N., Rao, A. V., Patten, C., & Fregly,
 B. J. (2016). Muscle Synergies Facilitate Computational Prediction of
 Subject-Specific Walking Motions. Frontiers in Bioengineering and
 Biotechnology, 4, 1055–27. http://doi.org/10.3389/fbioe.2016.00077 
-
-@underdevelopment */
+ */
 class OSIMMOCO_API MeyerFregly2016Force
         : public StationPlaneContactForce {
 OpenSim_DECLARE_CONCRETE_OBJECT(MeyerFregly2016Force,