Upgrading Hydraulic Models to Use Isothermal Liquid Blocks

Resources for upgrading Hydraulic (Isothermal) models

Convert models that contain blocks in the hydraulics (isothermal) domain to the isothermal liquid domain to improve model usability, accuracy, and simulation robustness.

The Simscape Fluids > Hydraulics (Isothermal) and the Simscape > Foundation Library > Hydraulic libraries will be removed in a future release. Use the Isothermal Liquid library instead. (since R2020a)

Topics

Get Started with Model Conversion

Advantages of Using Isothermal Liquid Blocks
Blocks in the Isothermal Liquid library provide increased accuracy and numerical performance and are easier to use.
Upgrade Considerations When Converting Hydraulic to Isothermal Liquid Models
Learn about how to maintain the original model functionality after converting a model from hydraulic to isothermal liquid blocks by adjusting the blocks and block parameters.

Convert Your Model

How to Upgrade Hydraulic Models
Learn how to use the hydraulicToIsothermalLiquid conversion tool and review the results.
Upgrading Hydraulics (Isothermal) Models in Simscape Fluids
Learn how to run the conversion tool, respond to warning messages, and compare and check converted models with the Simulation Data Inspector in Simscape™ Fluids™.
Upgrading Systems with Enabled Library Links, Model References, and Subsystem References
Preserve the links between files in models that contain hydraulic blocks from custom Simulink^® libraries, referenced models, or subsystems.
Upgrading Custom Hydraulic Blocks to Use the Isothermal Liquid Domain
Rewrite underlying code of custom hydraulic blocks to convert them to isothermal liquid domain.

Block Substitution Tables and Conversion Messages

Conversion Messages After Converting Hydraulic to Isothermal Liquid Models
Learn about warning messages in the HTML report and recommended actions when you upgrade your models using the hydraulicToIsothermalLiquid conversion tool.
Block Substitutions for Foundation Library Hydraulic Blocks
Learn about the block substitutions the hydraulicToIsothermalLiquid conversion tool makes for Simscape > Foundation Library > Hydraulic library blocks.
Block Substitutions for Simscape Fluids Hydraulics (Isothermal) Blocks
Learn about the block substitutions the hydraulicToIsothermalLiquid conversion tool makes for Fluids > Hydraulics (Isothermal) library blocks.

Functions

`hydraulicToIsothermalLiquid`	Upgrade hydraulic block diagram system to use isothermal liquid blocks (Since R2020a)
`hydraulicToIsothermalLiquidPostProcess`	Restore original file names and links after upgrading hydraulic block diagram systems to use isothermal liquid blocks (Since R2021a)

Simscape Blocks

Interface (H-IL)

Flow connection between hydraulic and isothermal liquid networks (Since R2020a)