What command in NX can you use to create a body by sweeping a cross section along a path where the shape of the section varies along the path?

The Variational Sweep command in Siemens NX is specifically designed to create bodies by sweeping a cross-section along a path where the shape of the cross-section varies. This command allows the user to define a sequence of sections and interpolate their variations throughout the length of the sweep, making it versatile for intricate modeling tasks where consistency in cross-section cannot be maintained.

One of the core advantages of the Variational Sweep is its ability to handle complex shapes and design intentions that may change as the path progresses, enabling a smooth transition from one cross-section to another. This feature is particularly useful in applications such as automotive and aerospace design, where performance and aerodynamics depend on gradual changes in shape.

Other commands mentioned are not designed to handle the variability of the cross-section along the entire length of the path in the same way. For instance, the Stylized Sweep is focused on creating bodies based on consistent sections, while the Sweep Along Guide focuses on guiding the path rather than allowing variability in the cross-section. The Swept Volume command, while useful for creating volumes from a path, does not provide the functionality to vary the section's shape dynamically along that path. Thus, the Variational Sweep is the most appropriate choice for creating complex geometries with changing cross-sections.