Knowledge Base AutoCAD
Calculating Networks
Learn how to calculate pipe and duct networks.
About Pipe Network Calculation for Waste Water
Explains the concept of the Pipe Network Calculation Waste Water.
Calculation
Explains the concept of the calculation dialog in Pipe and Duct Network Calculations.
Details on the Calculation Dialog for Open Drainage
Information about the dialog LINEAR Analyse Potable Water - Siphonic drainage.
Details on Lock/Unlock Section Parts
Information about the dialog Lock/unlock section parts in the Pipe Network Calculation Waste Water.

New Features
Learn about new features in LINEAR software.
System Requirements
Learn more about the system requirements for using the LINEAR solutions.
Supported Norms and Standards
Learn which norms and standards support the LINEAR Solutions modules.
LINEAR Installation and Administration
Learn how to install, your LINEAR software, license and keep it up to date.
Getting Started
Get basic information about the structure, function and interaction of the LINEAR Solutions programs in AutoCAD and LINEAR Building.
Preparing and Editing Buildings and Architecture
Learn how to prepare drawings provided by an architect to create an architecture for building analysis.
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
Dimensioning Components
Learn how radiators, convectors, panel heating/cooling systems and concrete core activation systems and components of ventilation systems are designed based on the requirement analysis in LINEAR Building.
Inserting Components
Learn how to transfer radiators or chilled beams to a LINEAR Building connected CAD platform and insert symbols and components from the libraries into CAD.
Drawing Networks
Learn how to draw pipe and duct networks, connect components, generate schemes, and create slots and openings.
Calculating Networks
Learn how to calculate pipe and duct networks.
- Requirements for a Calculable Pipe and Duct Network
  Explains the requirements for a calculable pipe and duct network.
- About Virtual Components
  Explains the concept of virtual components in pipe and duct network calculations.
- About Pipe Network Calculation Heating and Cooling
  Explains the concept of the pipe network calculation for heating and cooling.
- About Pipe Network Calculation Potable Water
  Explains the concept of the Pipe Network Calculation Potable Water.
- About Pipe Network Calculation for Waste Water
  Explains the concept of the Pipe Network Calculation Waste Water.
  - Settings
    Explains the concept of the Settings in the Pipe and Duct Network Calculations.
  - Calculation
    Explains the concept of the calculation dialog in Pipe and Duct Network Calculations.
    - Details on the Calculation Dialog for Siphonic Drainage
      Information about the dialog LINEAR Analyse Potable Water - Open drainage.
    - Details on the Calculation Dialog for Open Drainage
      Information about the dialog LINEAR Analyse Potable Water - Siphonic drainage.
      - About Issues
        Explains the concept of the reports list in Pipe and Duct Network Calculations.
      - About Results
        Explains the concept of the Results dialog in Pipe and Duct Network Calculations.
      - About Visualization
        Explains the concept of visualization of calculation data and properties of pipe and duct networks.
      - About Edit Section Part Data
        Explains the concept of editing section parts in Pipe and Duct Network Calculations.
      - Details on Define Section Part Data
        Information about the Define section parts dialog in the Pipe Network Calculation Waste Water.
      - Details on Lock/Unlock Section Parts
        Information about the dialog Lock/unlock section parts in the Pipe Network Calculation Waste Water.
  - Naming Pipe Runs
    Explains the concept of naming Pipe runs.
  - Usage Units (Waste Water)
    Explains the concept op Usage units when using SP30.13330.2016 in pipe network calculation for waste water.
- About Pipe Network Calculation for Gas
  Explains the concept of the Pipe Network Calculation Gas.
- About the Air Duct Network Calculation
  Explains the concept of the Duct Network Calculation.
Automatic labeling and dimension
Learn how to label components and sections in your drawing and how to dimension your drawing.
Output
Get basic information on output to the LINEAR Solutions for AutoCAD. for output to LINEAR Building and print mask editor.

Details on Lock/Unlock Section Parts

Information about the dialog Lock/unlock section parts in the Pipe Network Calculation Waste Water.

If you calculate a network for the first time, the dimensions of the components are locked by default and will not be changed during a calculation. To optimize the pipe network for the given design criteria, you can unlock the dimensions. Depending on the selected trade, you can lock and unlock other parameters in the dialog, such as the design form or the maximum velocities.

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Project tab ➤ Discipline ➤ Planning type ➤ Analyse tab ➤ Calculation ... ➤ Lock/Unlock section parts

Dialog lock section part data Linear AutoCAD

Entire project, Current System, Current flow path, Current section part

Determines whether you lock or unlock the dimensions or other parameters of all components in the project, the selected system, the marked flow path, or the marked section.

lock

Locks the dimension of the activated parameters. The dimensions of these components are determined during the calculation using the specified parameters.

unlock

Unlocks the dimension of the activated parameters. If you unlock a dimension or parameter, the specifications for the dimensioning from the Settings are used.

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Details on Lock/Unlock Section Parts