NX COMPOSITES & FIBERSIM IN DESIGNCENTER NX 2512: BREAKTHROUGH COMPOSITE DESIGN POWERED BY THE DIGITAL TWIN
Designcenter NX 2512 introduces significant enhancements to NX Composites and Fibersim—Siemens’ advanced solutions for composite design, simulation, and manufacturing preparation.
This release strongly emphasizes workflow automation, design-for-manufacturing (DFM), and advanced handling of complex, multi-zone laminates, making it ideal for aerospace, space, UAV, automotive, defense, and high-performance industrial applications.

Fibersim – The Core Platform for Advanced Composite Design
In Designcenter NX 2512, Fibersim continues to be positioned as a premier composite design solution for medium- to high-complexity composite workflows, delivering:
- Full automation of laminate design processes
- Multi-ply, zone-based workflows
- Advanced simulation and volume fill analysis
- Comprehensive outputs for documentation, machine programming, laser projection, and manufacturing
Fibersim plays a central role in the composite Digital Twin, seamlessly connecting design, analysis, and production.
Key New Capabilities of Fibersim in Designcenter NX 2512
1. Multi-Domain Splicing – Automated Laminate Splicing Across Multiple Domains
One of the most impactful innovations in Fibersim 2512 is Multi-Domain Splicing, which enables:
- Automated splice group creation for multi-domain composite parts
- An intuitive workflow for defining and managing splices
- New Revolve Offset Types optimized for dome-like and rotational geometries
- Elimination of manual calculations for laminate transitions
???? According to Siemens, this enhancement delivers up to 20× time savings for multi-domain parts—bringing their complexity close to that of single-domain designs. This is especially valuable for UAVs, rockets, and space vehicle structures.

2. Revolve Offset Types – Greater Accuracy for Curved Laminates
The new Revolve Offset Types enable Fibersim to more accurately manage laminates that:
- Follow complex curved geometries
- Wrap around dome-shaped or rotational surfaces
- Require high fiber continuity and precision
This results in higher design accuracy and improved manufacturability for advanced composite structures.

NX Composites – Composite Design Directly Inside Designcenter NX
Alongside Fibersim, NX Composites in Designcenter NX 2512 continues to evolve as an integrated solution for hand-layup and medium-complexity composite workflows, allowing engineers to:
- Design composite parts directly within NX
- Assess producibility and design for manufacturing
- Interrogate composite definitions using design stations and cross-sections
- Seamlessly integrate with NX CAD, CAE, and CAM tools
Major Enhancements in NX Composites 2512
3. Automated Splicing Improvements – Streamlined DFM for Hand-Layup Composites
NX Composites 2512 delivers substantial improvements in automated splicing, simplifying DFM workflows through:
- Enhanced Laminate Offset Surface functionality
- Smarter Splice Group management
- Support for Partial Overlap Splice Rules
- Definition of No Splice Regions
- Explicit Sequencing for ply and core layup

4. Laminate Offset Surface – Higher Performance and Better Edge Quality
The Laminate Offset Surface command has been significantly optimized:
- Improved boundary extension for better edge quality
- More robust tracking of small features and sharp edges
- Performance improvements of up to 50% compared to previous releases (NX 2506 vs NX 2512)
This results in cleaner, more stable laminate geometry that is easier to manufacture.

5. Splice Groups – Automated Offset and Stagger Control
New splice rules in NX 2512 allow:
- Automatic offset and stagger control for multiple plies
- Additional logic editor nodes for advanced rule definition
- Out-of-the-box rules that automatically stagger splices across multiple layers
These capabilities help standardize laminate quality and reduce manual errors.

6. Partial Overlap Splice Rule – Precise Control of Overlap Regions
The new Partial Overlap Splice Rule enables engineers to:
- Define specific overlap regions on composite parts
- Create controlled partial overlap splices
- Support complex, multi-segment overlaps
This is ideal for composite structures that must maximize strength while tightly controlling weight.

7. No Splice Region – Protect Critical Structural Areas
With No Splice Region, NX Composites 2512 allows users to:
- Identify laminate regions where splicing is prohibited
- Automatically alert users when splices violate restricted regions
- Flag offending ply pieces and run checks on demand
???? This ensures the integrity of load-bearing and safety-critical composite areas.

8. Explicit Sequencing – Full Control Over Layup Order
The new Explicit Sequencing capability allows users to:
- Assign explicit sequence values to plies and cores
- Assign identical sequence numbers to multiple plies
- Support decimal sequencing
- Resequence all plies in bulk with a single command
- Inherit ply piece sequencing from parent plies
This is critical for manufacturing documentation accuracy and layup process control.

Business Benefits of NX Composites & Fibersim in Designcenter NX 2512
With NX Composites and Fibersim 2512, organizations can:
- Accelerate composite design cycles
- Reduce structural weight while meeting performance targets
- Simulate real-world behavior to better understand design margins
- Avoid overdesign and improve engineering confidence
- Seamlessly connect design, simulation, and manufacturing within a single platform


Conclusion
NX Composites & Fibersim in Designcenter NX 2512 represent a major advancement in intelligent, automated, and manufacturing-ready composite design. With powerful multi-domain laminate handling, precise splice control, and significant performance gains, NX 2512 is the ideal platform for companies pursuing Digital Twin and Model-Based Engineering strategies for composites.
????Design faster – Build lighter – Engineer with confidence – Manufacture with precision.