Minimizing wrinkling through Wrinkling Simulation

Wrinkling simulation is a powerful tool for the early identification and optimization of potential weaknesses in seat cover design. It allows targeted prediction of areas with an increased risk of wrinkling and enables designers to minimize these risks by adjusting the design and fastening methods. This ensures that seat covers remain taut and evenly stretched.

Technology and methodology of Wrinkling Simulation

The Wrinkling Option in CASIMIR/Automotive provides an optimized workflow to accurately predict and minimize the risk of wrinkling in seat systems. A wide range of factors are considered:

Material Properties: Based on the specialized material cards developed in the Material Manager of CASIMIR/Automotive, the properties of the individual patches are modelled, considering the material orientation.
Assembly Simulation: The fastening of the covers to the foam (using clips and/or wires) and to the structure is semi-automatically generated according to the real production process. Additional tools assist in the efficient creation of contacts and the adjustment of manufacturing parameters for the individual areas.

Based on the results of the cover simulation, the risk of wrinkling can be derived using various criteria. By optimizing the fastening points and pre-tension, as well as the geometry of the patches, the risk of wrinkling can be minimized.

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Combining Overbuild and Wrinkling Simulation for optimized vehicle seats

The combination of overbuild and wrinkling simulation provides the foundation for the optimal design and manufacturing of vehicle seats. This allows for adjustments in material selection, pattern design, and production processes, enabling the design specifications to be achieved with optimal fit and aesthetics. The results also serve as a basis for further simulations regarding wear or aging behaviour.

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We will be happy to support you in solving your tasks relating to virtual seat development, seating comfort and virtual human models.

M. Sc. Martin Anderson
Sales

+49 931 49708-184
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EXPERT IN AUTOMOTIVE SOFTWARE, DIGITAL TRANSFORMATION AND AI-BASED ENGINEERING SOLUTIONS

Responsible for the global sales of the NVH simulation software CASIMIR as well as for business development within the Seat Comfort Solutions business unit

More than 10 years of international B2B experience in the automotive and wind energy industries, providing complex engineering and software solutions for OEMs and Tier 1 suppliers at the interface of technology and business models, particularly in Asia and North America

Holds a Master of Science (M.Sc.) degree in Industrial Engineering and Management with a focus on automation technology and product management, complemented by additional training as a value analyst

Dipl.-Ing. Jörg Hofmann
Product Management

+49 931 49708-280
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GLOBALLY RECOGNISED EXPERT IN SEATING COMFORT AND WHOLE-BODY VIBRATION

Product Manager for Virtual Seating Comfort with CASIMIR

25 years of professional experience in seating comfort and occupational health and safety

Speaker at renowned international conferences on seating comfort and whole-body vibration

Contributor to standardisation working groups, including the revision of ISO 2631-5

Core developer of the internationally used seating comfort tool CASIMIR

Degree in General Mechanical Engineering

M. Sc. Aravinda Veeraraghavan
Technical Support

+49 931 49708-182
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DEVELOPMENT ENGINEER (DIGITAL PRODUCTS)

Holds a Master of Science degree in Computational Mechanics of Materials and Structures from the University of Stuttgart

Responsible for the development of CASIMIR/Automotive (Wölfel’s software tool for seating comfort analysis and optimisation)

Provides close customer support and technical consulting

Optimises customer processes in the field of seating comfort

Conducts simulations in seat development with a focus on H-point, static and dynamic seating comfort, as well as the numerical modelling of human bodies