Creating Pipe Model in PASS/START-PROF Software

In the context of pipe stress analysis in engineering, a “pipe model” refers to the representation of a piping system used for analysis purposes. Pipe stress analysis is crucial in designing and evaluating piping systems to ensure their safety and reliability under various operating conditions.

The pipe model includes the geometric and material properties of the piping components, such as pipes, fittings, valves, and supports. The goal of pipe stress analysis is to assess the effects of external loads, thermal expansion, and other forces on the piping system to ensure that it can withstand these conditions without failure.

Key aspects of a pipe model in pipe stress analysis include:

  1. Geometry: The layout and dimensions of the piping components, including pipe lengths, diameters, bends, branches, and connections.
  2. Material Properties: The material specifications of the pipes and fittings, including information about the modulus of elasticity, thermal expansion coefficients, and other relevant material properties.
  3. Loads and Forces: External loads, such as pressure, temperature changes, weight, and seismic forces, are considered in the analysis. These loads can lead to stresses and deformations in the piping system.
  4. Boundary Conditions: The support and restraint conditions at pipe supports, hangers, and other connection points are modeled to simulate the actual conditions in the field.
  5. Operating Conditions: The range of temperatures, pressures, and other operating conditions that the piping system may experience during its lifecycle.
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Pipe stress analysis is typically performed using specialized software that utilizes finite element analysis (FEA) techniques to simulate the behavior of the piping system under various conditions. The analysis helps identify potential issues such as excessive stresses, displacements, and loads that could lead to failure or damage.

It’s important to note that accurate modeling of the piping system is crucial for obtaining reliable results. Engineers use their expertise along with industry standards and guidelines to create realistic pipe models for stress analysis.

The following training video shows how to create a piping model in Piping Stress Analysis Software PASS/START-PROF

Creating Pipe Model in PASS/START-PROF

Alex Matveev

Alex Matveev is the head of the PASS/START-PROF pipe stress analysis software development team, which is developed since 1965. Also, He offers technical support and training for users of their software that number already 3000+, industry standard in several countries for 50+ years.

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