6.0 Release Notes

6.0.3.7

Improvement: Caving Air Blast Simulation: added square cave option
Improvement: Caving Air Blast Simulation: added options to change collapsed rock void space
Improvement: Heat Calculator : Added an Electric Vehicle Power Battery Usage tab
Improvement: Cooling Thermal Work Limit: made calculation use the current exposed rock temperature for the Mean Radiant Temperature
Improvement: Cooling Thermal Work Limit: added adjustment for wet clothing based on temperature, rather than a default factor.
Improvement: Cooling Thermal Work Limit: added model settings for clothing thermal resistance and vapour permeability
Improvement: Auto-regulators: added model settings for auto-regulator accuracy (default 2 %) and minimum tolerance (default 0.2 m³/s) for reporting associated warnings and errors
Improvement: Auto-regulators: improved simulation method to better handle situations of low pressure across multiple auto-regulators
Improvement: Made 3D viewer switch to Solids mode if user adjusts airway graphics size while in Wireframe mode
Improvement: Made conveyor and waterway simulation more robust by increasing simulation frequency of heat transfer
Improvement: Allowed dynamic script to work without sensor numbers specified in the script
Improvement: Allowed rental licenses to work with the local server license type
Bug fix: Fixed update of Edit Box Contaminant Tab simulation button when switching airways
Bug fix: Added an automatic check and user prompt for presence of airways in unnamed and unused stages
Bug fix: Fixed permissions for all users to access folders generated for containing log files and temporary files
Bug fix: Changed exposed rock skin temperature to be weighted average of wet and dry rock temperatures
Bug fix: Corrected Wet Bulb Globe Temperature (WBGT) definition, basing on globe temperature derived from exposed rock temperature
Bug fix: Heat Calculator: adjusted diesel power from volume of fuel usage to properly apply diesel efficiency to total diesel calorific content

6.0.3.6

Improvement: Added sigma heat content to annual flywheel results
Bug fix: Corrected fan static pressure report for fixed pressure fans
Bug fix: Fixed saving of unit conversion settings

6.0.3.5

Improvement: Splitting airways will maintain their Preferred Escape Route and Excluded Status
Bug fix: Fixed backwards compatibility issue introduced in version 6.0.3.4
Bug fix: Allowed Ventlog Comparison tool to show data when no Recorded By value is present on the record
Bug fix: Fixed incorrect unit conversions in Stage graph copy to clipboard
Bug fix: Made Stage edit form simulation date work across different date formats

6.0.3.4

Improvement: Allowed simulate option per sensor to be set from dynamic script
Improvement: Added Radon Flow and Progeny Flow properties, and a progeny flow unit setting
Bug fix: Improved Radon Simulation accuracy when used with compressible flow
Bug fix: Stopped Paste Airways (merge presets) from overwriting model settings
Bug fix: Corrected new gas volume and gas mass flow properties
Bug fix: Stopped potential crash when editing duct stage selections

6.0.3.3

Feature: Added ability to designate airways as preferred escape routes (example in Coal Mine Textured demonstration model)
Improvement: Added Edit Box tool to convert airways between age and date mined input
Improvement: Added methane count example to Coal Mine Textured demonstration model
Improvement: Find & Select: added Coolers to Refrigeration category and added Cooler, Heater and Fixed Temperature categories
Improvement: Added a warning for use of roughness in the friction factor presets, and a model setting to disable the warning (General | Airway Defaults | Warn about use of Roughness)
Improvement: Made Ventlog tools more accessible on the Ventsim main form
Improvement: Ventlog Comparison Table: added a Copy All to clipboard button
Improvement: Ventlog Comparison Table: made it remember table settings (column width, filtering, grouping, sorting). Added reset button too.
Improvement: Added a Radon | Equilibrium factor property
Improvement: Added a setting to fix the Radon Equilibrium factor to a predetermined value
Improvement: Added a Heat | Moisture Flow property
Bug fix: fixed crash from use of interpolated fan curves on excluded airways
Bug fix: fixed saving of gas mass flow units
Bug fix: fixed incorrect unit setting for new gas mass flow properties

6.0.3.2

Improvement: Made Edit click and double-click on a databox edit the airway
Improvement: Added a warning to use compressible airflows when pressure differences are greater than 6kPa
Improvement: Added a user setting to override Autosim, Settings | System Settings | Disable Auto Simulation on all models
Improvement: Redid Ventlog comparison form with a better grid, for sorting, filtering and grouping data
Improvement: Airways passing through a level but with no node in the level will now appear as part of that level
Improvement: Added Ventlog Differential Pressure comparison properties
Improvement: Made the Contaminants | Dust property show the total dust concentration when using dust profiles as inputs
Improvement: Added a warning when a vehicle is used with a frontal area greater than the airway area
Improvement: When an unresolvable blockage is present, made the containing airway loop show up in the error box as an Over-restriction loop
Improvement: Added the Deswik export guide to the manual
Improvement: Added gas volume and mass flow properties
Improvement: Improved the computational speed of Ventlog station mappings for large models
Improvement: By popular demand, brought back the GAG wizard
Bug fix: Reenabled export of solid arrows as part of the DXF export tool
Bug fix: Corrected the UI display of linear resistances in non-metric units
Bug fix: Added missing update of indices after reference graphic merge
Bug fix: Made a new Ramp build inherit from the starting airway, rather than from the default
Bug fix: Made Explosive presets show the explosive product density
Bug fix: Corrected calculation of expansion and contraction shock when using autoshock
Bug fix: Added units to the Time of Last Edit property

6.0.3.1

Bug fix: Stopped dynamic simulation crash on pause step

6.0.3.0

Improvement: Removed Duct Leakages from Preset form in-use counts for tunnel, friction and layer presets
Improvement: Added an O2 Limited checkbox to the Fire Wizard
Improvement: Added a warning when selecting an airway group with the Goal Seek
Improvement: Updated Spanish translations
Bug fix: Made Preset form | Right-Click | Select option Select and Edit and work consistently
Bug fix: Fixed Draw Coordinates tab order
Bug fix: Stopped ESC from closing the Goal Seek
Bug fix: Fix for occasional duplication of message boxes when editing

6.0.2.9

New Feature: Set databox colour from the airway's colour, air type, primary or secondary layer. Settings -> Graphics -> Colours -> DataboxColourSetting.
Improvement: Made default fan curve option be total pressure
Improvement: Added a scroll bar to the Unit Settings form
Bug Fix: Fix for automatic handling of duplicated duct leakage connections across stages.
Bug Fix: Fix for Temperature limit in Fire Simulations in extreme scenarios
Bug Fix: Ventlog - Latest Entry Date/Time text property now shows correctly.
Bug Fix: For possible rounding crash when launching summary form

6.0.2.8

Improvement: Added support for new Ventlog record types
Bug fix: Fixed changes to custom resistance value being detected for airway comparison
Bug fix: Fixed Inherit and File Compare operations when both models use custom icons
Bug fix: Fix for Peak Capacity property calculation for custom interpolated fan curves during model load

6.0.2.7

Improvement: Speed up of model loading by improving icon setup
Improvement: Improvements in Fire Event form UI
Improvement: Added Stages as a Clone Attributes option
Improvement: Redid Explosion Dispersion Factor presets
Improvement: Added Date Mined to Find & Select Attributes
Improvement: Stopped showing irrelevant rock property data on ducts
Bug fix: Fixed bug in applying the Enforce Pressure Curve setting
Bug fix: Fixed problem with dynamic sim replay file setup when running in batch mode
Bug fix: Limit transfer of stage and layer edits to duct connected duct leakages

6.0.2.6

Improvement: Added waterway flow rate and temperature to graphing options
Bug fix: Stop autoregulator fail triggering on autoregulators with small target flow rates

6.0.2.5

Bug fix: fixed incoming tunnel type friction factors and heat dust sources when merging Presets

6.0.2.4

Feature: Distribute VRT and Rock Age by Airway Elevation (Edit Box Tools menu)
Improvement: Added option to Export DXF to limit to selected airways
Improvement: Some updates to Ventsim 6 manual

6.0.2.3

Improvement: Enabled new graphing options and statistics on Stage Graph
Improvement: Added an error for autoregulator simulation failure
Improvement: Made property Attributes | Fan Configuration On report for all fan and fix types
Bug fix: Prevented dynamic simulation from failing for very low airflows
Bug fix: Corrected report of Heat Manual Input property for BEV’s on Activity Tracks
Bug fix: Removed Icon refresh from the ‘R’ key shortcut
Bug fix: Stopped Ventlog stations copying over during duct construction
Bug fix: Removed redundant .sim file load option
Bug fix: Fixed enabling of first time connection to Ventlog SQL database
Bug fix: Fixed bug limiting grid spacing sizing

6.0.2.2

Feature: Time since last edit as property (Descriptors | Time Since Last Edit)
Feature: Added option to add a value to fan curve variations and have usage interpolate to any value
Improvement: Added a warning for incorrect use of Air Type Flow Exponent = 1 on turbulent airways
Improvement: Added a warning and prompt for deletion of airway duplicates when simulating
Improvement: Made version number visible on Digital License Manager, to help with license trouble-shooting
Improvement: Added group counts and an indent to spreadsheet groups
Improvement: Made new airways from the Import form option to Convert Centrelines always visible
Improvement: Made duct heat transfer recalculate every iteration, for more robustness
Improvement: Improvement to file loading speeds
Bug fix: Fixed Favourites Inherit, which was bringing in all favourites
Bug fix: Updated and fixed Copy and Paste Airways shortcuts
Bug fix: Duct Calculator: removed attempt to calculate for negative duct pressure, instead just warning
Bug fix: Made Environment Settings update straight away when changed through Stage form, rather than on simulation
Bug fix: Fixed prompt about stage relocking, which was not always appearing
Bug fix: Stopped Gas Simulation being affect by intersection with zero airflow airways
Bug fix: Fixed Layer merging when using File | Merge
Bug fix: Re-exposed setting for running a steady-state Gas Simulation on launch of Dynamic Gas Simulation
Bug fix: Stopped heat convergence errors being reported on duct leakages
Bug fix: Fixed display of airway textures in the picker
Bug fix: Made Descriptors | Stages always show distinct colours on the airways

6.0.2.1

Feature: Added Howden Global Fan Search options to Recommend Fan and Add Howden Fan tools
Improvement: Added warnings for incorrect use of total and static pressure fan curves
Improvement: Added a simulate date column to the Stage Manager
Improvement: Made Heat Imbalance error message also appear in the error box
Improvement: Graphics rendering improvements for icon moving and airway profile drawing
Improvement: Fan form, made Estimate | All work only on current fan, rather than all fans
Bug fix: Made Heat | Moisture Content a numerical property
Bug fix: Repaired ability to edit multiple message boxes at once
Bug fix: Fixed max and min values of area and diameter on Fan configuration
Bug fix: Fixed some headers for graph copy to clipboard button
Bug fix: Fixed edit form report of fan losses when using underground fan exit shock on a static fan
Bug fix: Fixed save of fuel portions on dynamic event form
Bug fix: Fixed unit conversions on Properties RH tab of Heat Calculator
Bug fix: Made Duct Edit form always open when only a duct is selected

6.0.2.0

Improvement: Added a simulation in progress window for the Goal Seek tool
Improvement: Added Favourite Databox option to the Data Display Clone property
Bug fix: Made it impossible for off fixed flow to trigger restricted fix warning
Bug fix: Made a new regulator launched from the Presets form take the entered name

6.0.1.9

Improvement: Added a new warning, indicating airways with neither an entry or exit connection
Improvement: Added a Level Name property
Improvement: Added a Groups property
Improvement: Added Roughness – Absolute and Roughness – Relative properties
Improvement: Goal Seek: added Moisture, Diesel Air Surplus and Radon Concentration.
Improvement: Improved running and reporting of simulations resulting from a stage change
Improvement: Added options to tick all simulation options on or off in Stage Manager
Improvement: Added an Apply button to the Message Box editor
Bug fix: For stage insertion, made existing Message Boxes and Activity Tracks extend across it
Bug fix: Fixed bugs around use of refuge bays with stage lock enabled
Bug fix: Made Goal Seek fan speed work for jet fans
Bug fix: Fixed possibility of invisible secondary axis label on Stage Graph
Bug fix: Made Time to Refuge Bay property properly update on refuge bay changes
Bug fix: Made Delete tool work on Contaminant Find a Source flags
Bug fix: Corrected fan peak capacity properties for variable operating density
Bug fix: Fixed possible incorrect addition of airways to stage 1, when editing stages through the Edit Box
Bug fix: Corrected Refrigeration property to report result for Coolers operating at minimum temperature
Bug fix: Stopped Auto Exit Loss Underground being applied to jet fans and regular fans as jet fans
Bug fix: Made orifice area carry over with Duplicate tool
Bug fix: Disabled Apply to Specific Stages when stage is locked
Bug fix: Stopped possible bad interaction of jet fans and piston effect in Dynamic Simulation
Bug fix: Corrected heat addition from BEV fires
Bug fix: Stopped Fire Battery preset from being lost with Presets form close

6.0.1.8

Improvement: Add setting to freeze animated icons
Improvement: Added dynamic max and average DPM, NO2, CO properties
Improvement: Added setting to disable Radon decay
Improvement: Refreshed all icons
Bug fix: Fixed graph resizing problem in Dust Profile editor
Bug fix: Allowed negative static pressures in Duct Calculator and its graphs
Bug fix: Fixed fields updating in Jet Fan configuration
Bug fix: Fixed empty column reading bug in static scripts
Bug fix: Fixed error saving NOx yield rate in heat presets
Bug fix: Fixed all missing superscript symbols on default unit settings
Bug fix: Fixed bad interaction of Autoclose option with dynamic events
Bug fix: Added unit conversions to Set Lock Offset Tool
Bug fix: Made Heat Status active on setting fixed temperature

6.0.1.7

Improvement: New and improved icons
Improvement: Added an automatic clean up of excluded flag on Duct Leakage paths
Improvement: Added field to edit Databox position on the old Edit box
Improvement: Corrected Radon Simulation to work for long residence times (>70 minutes)
Improvement: More accurate calculation of radon progeny growth and decay
Bug fix: Fixed Goal Seek interaction with selecting ducts
Bug fix: Corrected report of differential pressure on Ventlog comparison form
Bug fix: Fixed Merge operation for merging Layer lists with gaps in source and target models, and removed gaps
Bug fix: Duct Calculator, corrected leakage resistance calculation from porosity
Bug fix: Stopped Convert to Overpass tool from running slowly on large models.
Bug fix: Corrected update of jet fan thrust, quantity and velocity when changing jet fan diameter on Fan form
Bug fix: Fixed bad saving of custom profiles with 1 point
Bug fix: Corrected incorrect midpoint calculation for the Coordinate display property
Bug fix: Fix for license number entry on USB license request form

6.0.1.6

Improvement: Added a Safety | Time to Refuge Bay property
Improvement: Updated translations
Improvement: Made time/distance to refuge update on resistance change
Bug fix: Fixed airway textures going grainy
Bug fix: Fixed and added missing units for blast properties
Bug fix: Fixed unit conversion problem for waterflow on waterway builder

6.0.1.5

Feature: Added a tool to reduce Profile Presets, by removing duplicates and recategorizing as Square or Round
Improvement: Made an open select all Spreadsheet refresh on stage change
Improvement: Stopped Spreadsheet from showing any duct leakages
Improvement: Made reset of Units update form straight away
Bug fix: Made Calculate VRT tool work with textured surfaces
Bug fix: Made List option for Filter Bind and Duplicate work again
Bug fix: Fixed DPM emissions for discrete moving source in Dynamic Simulation
Bug fix: Forced recalculation for airway length for every UI display of length
Bug fix: Made Dynamic Replay work again
Bug fix: Fixed text properties for Copy to Clipboard from Stage graph and Message Box forms
Bug fix: Fixed possibility for Caving Air Blast simulation to stall in Imperial Units
Bug fix: Made completely sealed caves in Caving Air Blast simulation keep simulating, rather than throwing an error
Bug fix: Fixed crash occurring when resetting Heat Presets to default values

6.0.1.4.

Feature: Added a Follow Airflow option for Path Analyser (follows maximum airflow quantity, including through ducts)
Improvement: Made spreadsheet view saving save group expansions as well
Improvement: Made duct edits pass any new stage or layer edits to duct leakages as well, and stopped selection of invisible duct leakages
Improvement: Implemented discrete piston effects for dynamic simulation
Improvement: Made PgUp PgDown immediately clip at present level, rather than having to activate clip level tool first
Improvement: Added a Size Area Unobstructed property
Bug fix: Fixed display of Size Dimensions in Spreadsheet tool
Bug fix: Repaired hotkeys: Ctrl + I Inherit, L Limit, F9 Transparency, stopped Ctrl+PgUp from changing level too
Bug fix: Stopped autoregulator opening and cooler outputs from triggering compare differences
Bug fix: Fixed crash when airways are painted with a Gas colour from Favourites
Bug fix: Forced icon index remap before repopulating of Block tool menu

6.0.1.3

Feature: Made Add Node cursor guide with holding down of mouse button
Feature: Added new measurement tool: Shortest Path - Follow Airflow
Improvement: Added option to relock the stage automatically when changing stage
Improvement: Added a warning for when Paste Airways creates invalid Presets
Bug fix: Fixed text representation in Spreadsheet tool
Bug fix: Made Message Box copy work for all message boxes
Bug fix: Fixed unit conversion and range finding on the Find Select tool
Bug fix: Fixed Dynamic Simulation mixing for duct leakages
Bug fix: Made Apply to Specific Stages Undo also undo the stage splitting
Bug fix: Fixed crash with interaction of Block Tool and icon drag-drop
Bug fix: Stopped the display manager turning on the Error Box colours

5.4 Release Notes

5.2 Release Notes

5.1 Release Notes