Knowledge Base AutoCAD
Calculating Networks
Learn how to calculate pipe and duct networks.
About the Pipe Network Calculation of District Networks
Explains the concept of the Rohrnetzberechnung Quartiersnetze.
Calculation
Explains the concept of the calculation dialog in the Rohrnetzberechnung Quartiersnetze.
About Editing Trench Sections
Explains the concept of editing trench sections using the Edit Trench Sections dialog at Rohrnetzberechnung Quartiersnetze.
Editing a Pipe/Duct/Trench Section
Shows step-by-step how to set calculation-relevant data for individual pipe/duct sections or trench sections (Discipline District Networks).

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 demands analysis of a building with LINEAR Building. The demands analysis includes the calculation of the heat load, the cooling load and the determination of the required air volumes.
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.
Create Pipe Run Scheme
Learn how to create pipe run schemes for pipe networks in LINEAR Building.
Calculate Pipe Run Schemes
Learn how to calculate pipe run schemes 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 Classification
  Explains the concept of classifying components for the Rohr- und Kanalnetzberechnung.
- 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 Rohrnetzberechnung Trinkwasser.
- About the Pipe Network Calculation for Wastewater and Roof Drainage
  Explains the concept of the Rohrnetzberechnung Abwasser.
- About the Air Duct Network Calculation
  Explains the concept of the Kanalnetzberechnung.
- About Pipe Network Calculation for Gas
  Explains the concept of the Rohrnetzberechnung Gas.
- About the Pipe Network Calculation of District Networks
  Explains the concept of the Rohrnetzberechnung Quartiersnetze.
  - Settings
    Explains the concept of the Settings in the Rohr- und Kanalnetzberechnungs.
  - Calculation
    Explains the concept of the calculation dialog in the Rohrnetzberechnung Quartiersnetze.
    - Details on "Design Temperatures"
      Information on the Design Temperatures dialog for heat and cooling generators.
    - About Reports
      Explains the concept of reports in the Rohr- und Kanalnetzberechnung of the LINEAR Solutions.
    - About the Visualization
      Explains the concept of visualizing calculation data, geometric data, or material data in a pipe or duct network.
    - Details on "Flow Path Data"
      Information about the Flow Path Data dialog in the Rohrnetzberechnung Quartiersnetze.
    - About Editing Trench Sections
      Explains the concept of editing trench sections using the Edit Trench Sections dialog at Rohrnetzberechnung Quartiersnetze.
      - Editing a Pipe/Duct/Trench Section
        Shows step-by-step how to set calculation-relevant data for individual pipe/duct sections or trench sections (Discipline District Networks).
        Details on "Edit Pipe Sections"
        Information about the Edit Pipe Section dialog in the Rohrnetzberechnung Heizung, the Rohrnetzberechnung Kälte and the Rohrnetzberechnung Quartiersnetze.
      - Splitting a Pipe/Duct/Trench Section
        Shows step by step how to divide a pipe/duct section or a trench section (Discipline District Networks).
    - Details on "Define Pipe/Duct Sections"
      Information about the Configure Pipe/Duct Section dialog in the Rohrnetzberechnung Heizung, the Rohrnetzberechnung Kälte and the Rohrnetzberechnung Quartiersnetze.
    - Details on "Lock/Unlock Pipe Sections"
      Information about the dialog Lock/Unlock Pipe/Duct Sections in the Rohrnetzberechnung Kälte, the Rohrnetzberechnung Heizung and the Rohrnetzberechnung Quartiersnetze.
  - Pumps
    Explains the concept of Pumps in pipe network calculations for heating, potable water,, cooling and district networks.
- About Reports (Command Group)
  Explains the concept of the Reports command group on the Analyse tab of the Control Board.
Labeling and Dimensioning
Learn how to label components and sections in your drawing and how to dimension your drawing.
Output
Get basic information on creating output with AutoCAD, output in LINEAR Building and on the print mask editor.

Editing a Pipe/Duct/Trench Section

Shows step-by-step how to set calculation-relevant data for individual pipe/duct sections or trench sections (Discipline District Networks).

Before you begin

You have calculated a network and want to modify or add data for selected pipe/duct/trench sections.

Prerequisite

The pipe network has been designed and calculated.

Note: Values entered locally have priority over settings and boundary conditions.

Navigate to

Project Tab ➤ Discipline Heating/Cooling/District Networks ➤ Analyse Tab ➤ Command Group Analyse ➤ Calculation …

Applies to Heating, Cooling and District Networks.

Calculation dialog Heating in the LINEAR Solutions for Autodesk AutoCAD

Example of the calculation dialog for the Heating discipline.

Procedure

Select the desired pipe/duct section or trench section in the Pipe/Duct Sections/Trench Sections area.
Click on Edit….

The Edit pipe section dialog opens.
Enter individual values in the Length and Height difference fields that deviate from the entered dimensions, for example to compensate for design tolerances.
If necessary, enter additional bends, pressure loss and a deviating ambient temperature.
If required, adjust the local maximum values for R-value, Velocity and Simultaneity.
Confirm the changes by clicking OK.

Results

The adjusted data has been assigned to the selected pipe/duct section or trench section and is used in the calculation.

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Editing a Pipe/Duct/Trench Section

Before you begin

Navigate to

Procedure

Results