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What are the advanced CAD features that aerospace engineers need to know?

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Computer-aided design (CAD) is a vital tool for aerospace engineers who design, test, and optimize complex systems and components. CAD software allows engineers to create and modify digital models, simulate performance, analyze data, and collaborate with other professionals. However, to fully leverage the power and potential of CAD, aerospace engineers need to know some advanced features that can enhance their productivity, creativity, and accuracy. In this article, we will explore six advanced CAD features that aerospace engineers need to know and how they can apply them to their projects.

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1 Parametric modeling

Parametric modeling is a CAD feature that allows engineers to define and control the geometric and functional relationships between different parts of a model. For example, if an engineer changes the diameter of a wing, the length and shape of the fuselage can automatically adjust accordingly. Parametric modeling can save time and effort by eliminating the need to manually update every change and ensuring consistency and accuracy throughout the design. Parametric modeling can also enable engineers to create parametric families of models that share common characteristics and can be easily modified for different scenarios.

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Sam Jennings

Computer Numerical Control Programmer / Setter / Operator @ Glebe Engineering | Precision Engineering
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In parametric modeling, aerospace engineers should be adept at the following:… Feature-Based Modeling… Building designs using a feature-based approach, allowing for easy modification. Parametric Constraints… Applying constraints to dimensions and relationships, maintaining design integrity during changes. Equation-Driven Designs… Using mathematical equations to drive and control design parameters. Top-Down Design… Creating assemblies with a focus on relationships between components, ensuring coordinated changes. Family Tables or Design Tables… Managing multiple variations of a part within a single file for efficient design exploration. User-Defined Parameters… Defining custom parameters for design flexibility and adaptability.

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2 Generative design

Generative design is a CAD feature that uses artificial intelligence and algorithms to generate multiple design options based on predefined criteria and constraints. For example, an engineer can input the desired performance, weight, material, and cost of a landing gear and let the software produce various optimal solutions. Generative design can help engineers explore new possibilities, discover innovative solutions, and optimize their designs for efficiency and sustainability. Generative design can also integrate with other CAD features such as simulation and analysis to evaluate and compare the generated options.

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3 Simulation and analysis

Simulation and analysis are CAD features that allow engineers to test and evaluate their designs before manufacturing or testing them in real life. Simulation and analysis can help engineers predict and improve the behavior, performance, and reliability of their systems and components under various conditions and scenarios. For example, an engineer can use simulation and analysis to assess the aerodynamics, stress, vibration, thermal, and acoustic effects of a jet engine. Simulation and analysis can also help engineers identify and resolve potential issues, optimize their designs for safety and quality, and reduce costs and risks.

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Alexis Lapouille

owner at Aero Concept Engineering and AerOptimum - Wind tunnel and CFD expert - I help you to optimize your products
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Nowadays, with the software "ACE of Aircraft" it is possible for none CFD experts to manage their own aerodynamic analysis on low speed aircraft. This is particularly efficient for the general aviation engineers that can use "ACE of Aircraft" themselves to analyse their aircraft aerodynamic efficiency to check minimum speed, climb ratio, hinge moment, static and dynamic stability etc...

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4 Collaboration and communication

Collaboration and communication are CAD features that enable engineers to work with other professionals across different disciplines, locations, and platforms. Collaboration and communication can help engineers share and access data, models, and feedback in real time, coordinate tasks and workflows, and manage changes and revisions. For example, an engineer can use collaboration and communication to work with a manufacturer, a supplier, and a customer on the same project and ensure that everyone is on the same page. Collaboration and communication can also help engineers leverage the expertise and insights of others, improve their designs, and deliver better results.

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5 Customization and automation

Customization and automation are CAD features that allow engineers to tailor and streamline their design processes according to their preferences and needs. Customization and automation can help engineers enhance their productivity, efficiency, and creativity by reducing repetitive and tedious tasks, simplifying complex operations, and adding personal touches. For example, an engineer can use customization and automation to create and apply custom templates, macros, scripts, and commands to their models and workflows. Customization and automation can also help engineers adapt to different standards, regulations, and requirements.

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6 Integration and interoperability

Integration and interoperability are CAD features that allow engineers to connect and exchange data, models, and information with other software and systems. Integration and interoperability can help engineers expand their capabilities, functionality, and compatibility by using multiple tools and resources for different purposes and stages of their design process. For example, an engineer can use integration and interoperability to import and export data from other CAD software, use external databases and libraries, and link their models with other engineering software such as finite element analysis (FEA), computational fluid dynamics (CFD), and computer-aided manufacturing (CAM).

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the advanced CAD features that aerospace engineers need to know?

1

2

3

4

5

6

7

1 Parametric modeling

2 Generative design

3 Simulation and analysis

4 Collaboration and communication

5 Customization and automation

6 Integration and interoperability

7 Here’s what else to consider

Aerospace Engineering

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What are the advanced CAD features that aerospace engineers need to know?

1

2

3

4

5

6

7

1 Parametric modeling

2 Generative design

3 Simulation and analysis

4 Collaboration and communication

5 Customization and automation

6 Integration and interoperability

7 Here’s what else to consider

Aerospace Engineering

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