In vehicle development, simulation saves an enormous amount of time and money. | Photo: P. Czerwinski/Unsplash
In vehicle development, simulation saves an enormous amount of time and money. | Photo: P. Czerwinski/Unsplash
2025-08-05

In the commercial vehicle sector, time is not just a planning criterion but a business-critical factor. Vehicles must be delivered on time, swiftly put into operation, and reliably used. At the same time, regulatory requirements, technological complexity, and variety of variants are increasing. For manufacturers, this means less leeway and more responsibility. For fleet operators, the main thing is that new models can be integrated as seamlessly as possible into existing processes. This is exactly where early validation through simulation comes into play.

When problems are noticed too late

Often, simulation is only performed when the vehicle design is already well advanced. It then becomes apparent that a component does not fit into the intended installation space, thermal loads are too high, or material properties could fail in operation. The result: additional coordination, delayed deliveries, or constructive compromises that later become noticeable in fleet operations, such as excessive wear, unplanned maintenance, or incompatibility with attachments.

The cause is often not a lack of skill but a delayed use of digital validation. If simulation is used early, these risks can be identified and avoided in a timely manner. The result is more robust vehicles that not only pass the test bench but also perform in real-world use.

Early validation means avoiding failures

If a component is already checked for loads and temperature during design, problematic constellations can be immediately recognized, for example, if an electrical component is placed too close to a heat source or a carrier in the chassis area is not stiff enough. Especially with complex materials like composites, early simulation can help identify critical points before they negatively impact driving operations. This not only affects new developments but also variants: special bodies, low-emission vehicle concepts, or battery-electric models with tight thermal tolerances. The earlier a vehicle is tested digitally and realistically, the more stable it is later in

use.

Reliability starts in development

The analysis of entire assemblies, such as axles, carriers, or interfaces to the bodywork, can now also be automated and carried out directly in the design model. This not only reduces error rates but also allows for a well-founded evaluation of the function even before the first prototype. For fleet operators, this means fewer teething problems, stable series vehicles, and a lower likelihood of retrofitting actions or unexpected downtimes. A consistent data basis across all phases is important here. Only when design, simulation, and validation are properly coordinated does a continuous digital information flow emerge. The so-called Digital Thread ensures that information on vehicle variants, load limits, and test benches is not lost but systematically flows into development and operation.

Those who secure early, deliver reliably

For fleet operators, one thing counts above all: that the vehicle is reliably operational exactly when it is needed. Whether in regular service, on

construction sites, or in distribution traffic; failures cost time, resources, and trust. Vehicles that have been developed early with simulation support have clear advantages here. They are better prepared for real conditions, come to market without delay, and can be put into operation faster. Early digital validation means fewer technical surprises, plannable maintenance, and longer availability in everyday life.

What does it mean?

Those who take the step of digital validation seriously build trust. Not through words, but through technology that works from day one of deployment.

About the Author

Michele Del Mondo started his career in 1994 following his mechanical engineering studies at the Steinbeis Transfer Centre in Karlsruhe. In 1997, he joined Webasto and led the introduction of a company-wide PLM system. Later, he took on responsibility for global sales for the Mercedes Car Group as Director Sales. Since 2011, he has worked at PTC as the Global Advisor Automotive, responsible for the