Release notes for : Simbus_SR2022.0.2.1 of Simbus (R) products.

Simbus_SR2022.0.2.1 is a collection of products from Simbus for
use with MATLAB (R) and Simulink (R) from MathWorks (R) releases R2021b
and above.  Simbus_SR2022.0.2.1 includes the following products:

1) Simbus Core Toolbox (TM): A collection of low-level MATLAB functions and
   low-level Simulink blocks.  It also serves as infrastructure for
   Simbus Bondgraphs and other forthcoming Simbus products.
   The Simbus Core Toolbox is provided free with Simbus Bondgraphs and
   is not distributed as a separate product currently.

2) Simbus Bondgraphs (TM): Physical system modeling using bond graphs in the
   Simulink environment.

CHANGES WITH RESPECT TO SR2022.0.1.1
====================================

A. DOCUMENTATION UPDATES
========================

None.

B. SOFTWARE UPDATES
===================

1. Simbus Core Toolbox (TM)
---------------------------
a) The "simple_time_derivative" block in the Simbus Core Toolbox library
   has been updated with an improved initial condition setting mechanism.

2. Simbus Bondgraphs (TM)
-------------------------
a. Blocks that represent dynamic 1-port elements (capacitance, inertance,
   modulated capacitance, and modulated inertance) now have more robust
   derivative causality behavior when the parameter "Time Derivative Type"
   is set to "Simple".  Previous releases have resulted in some 1-ports
   outputting zero for their power variables due to difficulty in computing
   the simple derivative.

b. The blocks representing the capacitance, modulated capacitance, and
   modulated intertance had an internal parameter set incorrectly that
   limited the effectiveness of the frequency-limited derivative when this
   option was selected for handling derivative causality (when the parameter
   "Time Derivative Type" is set to "Frequency-Limited").

   This has been fixed in this release.

C. Licensing Updates
====================

None

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