v2.5

Posted by AurelAdmin on

Date: 02-Mar-12

  1. Increased the maximum number of layers in the TOWER unit from 200 to 2000.

New Release Version No. : 2.5.20 

Date: 09-Sep-11

  1. Fixed a problem which caused the Insert Part list to not be refreshed when a new CADSIM part is created (the new part was not added to the list).
  2. Fixed a bug which could be caused by clicking on the drawing while a text or line Inspector is being opened on a large drawing.
  3. Corrected an error which caused drawings with phyical properties overrides to run slower than when the same drawing is run without overrides.
  4. Also corrected a problem that caused saving a drawing with merged XML overrides to fail.

New Release Version No. : 2.5.19 

Date: 25-Aug-11

  1. Improved solids handling in CLARIFIER, PHASE SEPARATOR, HIGH DENSITY and TOWER units for streams other than Paper (fiber).
  2. Fixed a problem which could cause large scale drawing sets to lose their line arrow heads when exported or plotted.
  3. Fixed a problem with calculated head pressure when Gauge pressures are used in HIGH DENSITY and TOWER units.

New Release Version No. : 2.5.18 

Date: 08-Jul-11

  1. Fixed a bug that could result in a stack overflow error if a unit was given as a user-defined variable, that could also be a unit variable under differing conditions (eg. AREA is added to a TANK unit if pressure is NOT a stream variable).
  2. Fixed a bug which could cause a format edit operation to later cause an SDEF edit operation to corrupt a stream definition.
  3. Added code to moderate the effect on enthaplies of Steam when the stream temperature is above 5000C and/or the pressure is above 20,000 kPa.

New Release Version No. : 2.5.17 

Date: 26-May-11

  1. Removed a hardwired limit on maximum pressure (5000 Kpa) from the Flash unit.
  2. Added warning messages for duplicated unit inlet and outlet stream names.
  3. Added case in-sensitivity to checks for duplicated stream names.
  4. Added ability to SAVEALL unit to allow it to treat other liquids as if they were WATER.

New Release Version No. : 2.5.16 

Date: 04-May-11

  1. Fixed a problem with the LAG unit that could cause a runtime C exception if the lag time was set to a very large number (now limited to 100 days).
  2. Fixed a problem that could result in CADSIM Plus hanging or odd messages when specifying pressure networks.

New Release Version No. : 2.5.15 

Date: 05-Apr-11

  1. Fixed a problem that prevented specifying a controller on a stream variable that would control the same variable, eg. put a controller on WATER to control WATER.
  2. Fixed a cosmetic issue where an incorrect dialog checkbox option appeared on the Edit Part Parameters form.
  3. Fixed a problem that prevent some units from passing or accepting negative stream component values.

New Release Version No. : 2.5.14 

Date: 15-Feb-11

  1. Corrected a potential memory leak in the HighDensity module.
  2. Corrected saturation pressure, saturation temperature, and binary interaction perameters for Iso Pentane in Standard physical properties.
  3. Updated the installers to extract COM registry information from .exe and .ocx files and force registration at install time.

New Release Version No. : 2.5.13 

Date: 28-Dec-10

  1. Corrected a problem with EXCHANGER units, where the SHELL pressure was not being set when the TUBE side is networked and no pressure is set locally.
  2. Added Nitrogen Pv to CADSIM Plus standard physical properties, to be used with the default Ideal Gas, so that it can be used for phased VLE calculations if needed.
  3. Fixed a problem with the incremental search feature of the Find Component form in the SDEF wizard.

New Release Version No. : 2.5.12 

Date: 16-Dec-10

  1. Fixed a potential divide by zero error in the UPTIME unit, when initial uptime and downtime values are all set to zero.
  2. Fixed a bug which could cause a divide by zero error when Wilson VLE components have a zero flow.
  3. Added the ability to perform neutralization for streams with H+ and OH- ions so that the product of those molar concentrations equals the water constant kW. Affects ADDER, MIXER, REACTOR, HIGH DENSITY and TOWER units.

New Release Version No. : 2.5.11 

Date: 07-Dec-10

  1. Made a number of improvements to the SDEF wizard when displaying HyProc database compounds, including molecular formula hints on compounds, incremental search of compound lists, and an enlarged compound display area.
  2. Added a warning message to Copy and Make Part functions when exclusion criteria results in nothing selected.
  3. Added a tooltip to remind users to right-click on runtime stream and unit information dialog boxes to see link options.
  4. Fixed a bug which could result in the wrong list of variables being displayed when switching between stream types in the SDEF wizard.
  5. Added code to prevent divide by zero errors if a specification on a user- defined component is set to zero in a DIVISION spec.
  6. Fixed a minor bug that caused the Group highlight not to clear properly when using CBM display mode.
  7. Added a “Yes to All” button to some CADSIM Plus error messages.
  8. Added code to ‘grey out’ or prevent access (and exception errors) to the setpoint of a controller if it is set by another controller.
  9. Fixed a problem with arcs not being displayed correctly in some cases when a CADSIM drawing is converted using ViewCompanion Pro export utilities.
  10. Fixed a bug which could result in a memory error when using Print Preview.
  11. Updated HASP drivers to v5.95.

New Release Version No. : 2.5.10 

Date: 19-Oct-10

  1. Fixed a problem that could cause a bad variable index for TOTAL_SUSP_SOL when used in specifying a flow-related stream variable.
  2. Made some improvements to automatic cursor positioning during various operations.
  3. Made some improvements to automatic dialog box positioning during various operations.
  4. Improved Copy and MakePart options when a unique part name is selected for either operation.
  5. Made some improvements to the Align Chart utility.
  6. Added a warning message when a variable is used twice in the same equation, resulting in a linear dependency for stream calculations.
  7. Improved revue/scrolling when charts have accumulated large amounts of data.
  8. Added a Find ID number button to certain runtime error messages.
  9. Updated translation files and certain unit messages for v2.5.
  10. Fixed an invalid variable index error with PRESSURE on an EXCHANGER unit.

New Release Version No. : 2.5.09 

Date: 01-Oct-10

  1. Fixed a bug which could cause an exception error with the Align Charts tool is used.
  2. Fixed a problem with wrapping of derived variables names in the SDEF wizard.
  3. Added documentation to remind users that overrides of Heat Capacity (Cp) must always be presented in degrees Kelvin because S_S has a log term that cannot be calculated if it is less than or equal to zero.
  4. Fixed a problem where auto-lookup of variables for polygon formats was not filling in the default choice.
  5. Improved screen bitmap caching to allow more copies of CADSIM Plus to be run simultaneously in Windows.
  6. Removed a potential exception error when a specification operation is cancelled and then resumed.
  7. Removed a potential error that would present the wrong list of equation choices if a specification operation is cancelled and then resumed.
  8. Fixed a bug that would cause the Tools > Options > Dimensions setting to corrupt the drawing by setting all Y-axis values to 0.

New Release Version No. : 2.5.08 

Date: 24-Aug-10

  1. Fixed a bug which could result in CADSIM Plus erroneously offering a choice of more than one variable for one results format during editing.
  2. Fixed a problem where CADSIM Plus might silently choose a variable with a similer name for a specification, if a variable has been removed from the simulation model.
  3. Corrected a problem with the Text Inspector showing incorrect properties for text.
  4. CADSIM Plus will no longer copy the part name when a specification is copied from a part.
  5. Fixed a problem which could cause CADSIM Plus to become confused about the available free variables when editing a specification, after cancelling out of another specification.
  6. Corrected the calculation of moles (off by 1,000) when CADSIM Plus standard streams had metric tonnes per day as the mass flow units.
  7. A problem has been fixed which could cause Autotune to cause an exception if the “Put all controllers on manual” option was selected.
  8. Added warning messages to the EVAPORATOR unit when required matching stream layers were not used correctly.

New Release Version No. : 2.5.07 

Date: 28-Jun-10

  1. Fixed a problem with the TANK/CHEST and HIGHDENSITY unitS that could cause an error if MAX_VOLUME and/or INITIAL_VOLUME are set to zero.
  2. Fixed a problem that could cause an error if an animation specification was edited, moved and then edited again.
  3. Corrected a problem that could cause the PROPERTIES module to fail with a C exception error.
  4. Made some improvements to a couple of translateable program messages.
  5. Fixed a problem which could cause an edited specification angle to also change the color of a specification line, back to the default color.

New Release Version No. : 2.5.06 

Date: 10-Jun-10

  1. Fixed a problem with the REACTOR unit which could cause it to hang CADSIM Plus if there were very small flows and zero tank volumes.

New Release Version No. : 2.5.05 

Date: 01-Jun-10

  1. Fixed a bug which could cause a COM link to Excel to hang when CADSIM receives non-numeric data from Excel.
  2. Fixed a problem that could cause the demo versions of CADSIM Plus to hang if the Autotune Wizard is used.
  3. Fixed a problem that could cause mouse clicks to be ignored after certain operations were performed, such as changing a line from process to non-process.
  4. Updated the tutorial exercises to include new sections on controller tuning, checking convergence and printing/plotting.

New Release Version No. : 2.5.04 

Date: 05-May-10

  1. Fixed a bug which could cause a runtime exception error (and hang CADSIM Plus) when specification mode is run.
  2. Updated CADSIM Plus tutorial exercises with sections on the new Autotune controller tuning wizard, convergence checking and printing/plotting.

New Release Version No. : 2.5.03

Date: 27-Apr-10

  1. Made improvements to Dynamic Data Reconciliation filter types.
  2. Corrected a problem with the PROPERTIES module which was not calculating Freezing Point Depression (FPD) correctly.
  3. Corrected a couple of problems with the DEFAULT unit which was not correctly recognizing certain combination of ICE and BOUND materials in its inlet streams.

New Release Version No. : 2.5.02 

Date: 20-Apr-10

New release of CADSIM Plus. Includes the following new and improved features:

Libraries Combined:

+ Standard CADSIM Plus package now includes these previously optional packages at no extra charge: Dynamic Data Reconciliation, OPC

Automated Controller Tuning Wizard (Autotune):

+ Bump tests, and process response analysis
+ Process model identification (self regulating/integrating, direct/indirect)
+ Setting Lambda tuning parameters (user can fine tune and test proposed settings)
+ Response quickness and stability are tested on simulation before committing
+ Simulation is restored to the state that existed prior to the tuning operation to avoid simulation upset

Computer Based Manuals for Training:

+ HTML pages can be integrated with ‘intelligent’ CADSIM Plus P&ID drawings
+ CADSIM Plus v2.5 has the ability to launch HTML content via Internet Explorer
+ Links within the HTML content can highlight predefined areas of a specially prepared drawing
+ Embedded links in a drawing can select HTML content in the browser
+ HTML content can be developed using standard HTML editing tools

New & Improved Unit Modules:

+ Pass-Through (adds the ability to suspend a unit from participating in the simulation model) – New
+ Flash (optional holdup and level control) – Improved
+ Uptime (now with Weibull distributions) – Improved
+ Heat Exchangers – Improved
+ Heaters / Coolers – Improved
+ Dynamic Data Reconciliation (allows pre-conditioning and filtering of individual measurements using Kalman) – Improved
+ Pipe (proportioning of viscosities of mixtures) – Improved
+ Compressor (now works within pressure flow networks, includes performance curves) – Improved
+ Excel spreadsheets help set up pump and compressor curves, and valve characteristics – New

Streams & Chemistry:

+ Improved stream flashing and vapor/liquid equilibria calculations
+ Improved water/ice liquid/solid equilibria including freezing point depression

Physical Properties:

+ Improved saturation temperatures
+ Improved enthalpys and entropies
+ New minerals

online Applications:

+ New Startup Dynamic Profile (process snapshot file) stores and retrieves startup values including unit dynamic profiles
+ CADSIM Plus drawing can spawn an external application
+ Support for cloning a simulation from an existing online tracking reconciliation simulation to:

– Display current data for the full process with stream details
– Run into the future
– Form the basis for online optimization trials
– Form the basis for ‘what-if’ scenarios starting from current operating parameters

+ OPC client is now included in the Standard Library of process module

Graphical User Interface Improvements:

+ Find Furthest Off function now displays steady-state convergence status in toolbar
+ New chart cleanup tool right-justifies and sorts open charts on your screen
+ Better window management on multiple screen workstations
+ New tool can convert text from an object to independent text
+ New tool can remove extra text from an object without deleting the object
+ Ctrl + Windowing can be used to select multiple areas of a drawing

Help System:

+ Updated Help system

New Release Version No.: 2.5.01