How SODIMEC verified a 198 t ladle lifting beam with SDC for Ansys
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Analysis of the cylinder system of grab unloader
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AS 4100:2020 Fatigue in SDC Verifier – How Section 11 Is Implemented
Read Full ArticleHow SODIMEC verified a 198 t ladle lifting beam with SDC for Ansys
Read Full StoryAnalysis of the cylinder system of grab unloader
All ProjectsAS 4100:2020 Fatigue in SDC Verifier – How Section 11 Is Implemented
Read Full Article
Yurii Shumak
SDC Verifier 2026 R1 is a meaningful release for engineers working on offshore, marine, wind, and other code-driven structural verification tasks.
This version expands support for offshore design standards, improves how plated structures and tubular joints are checked, and removes a number of practical workflow issues that slow engineers down in day-to-day work. It also brings compatibility updates for the latest CAE environments, including Ansys 2026 R1, Simcenter 3D 2512, and Femap 2512.
The headline is clear: 26R1 strengthens SDC Verifier where real engineering projects usually get hard — buckling, tubular joints, result consistency, and model updates.
From new offshore standards to stronger buckling workflows and cleaner result handling, 2026 R1 brings practical improvements for code-driven structural verification.
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The biggest product step in 26R1 is the expansion of standards for offshore and energy-related applications.
A major addition in this release is DNV RP-C201 Plate/Stiffener/Girder Buckling (2023).
This standard enables code-based buckling verification for plated and stiffened structures, which is especially relevant for offshore units, marine structures, and wind-support applications where stability checks are a core part of the design workflow.
More importantly, this is not just a standards-library update. It is a major step toward a more complete stiffened panel buckling workflow in SDC Verifier — one of the most requested developments from users working with plated offshore structures.
DNV RP-C201 (2023) adds code-based buckling verification for plates, stiffeners, and girders in offshore and marine structures.
In practical terms, the implementation covers verification at the level of:
The standard works on recognized sections and plates, with support from Panel Finder for automatic identification of sections, plates, stiffeners, and girders based on model connectivity. Predefined girders can also be used where needed for more controlled setup.
It also supports dedicated settings for plate buckling and stiffener/girder buckling, including factors such as material factor, girder method, tension field assumptions, moment reduction, and manufacturing type.
This matters because offshore buckling checks are rarely just about isolated plate fields. The standard covers the full check sequence: plate buckling under longitudinal, transverse, shear, biaxial, and laterally loaded conditions; stiffener beam-column checks, including torsional effects; girder beam-column checks; and local flange and web stability.
Load Group support is included as well, giving engineers worst-case envelope results across multiple load combinations in a single pass.
SDC Verifier 2026 R1 also expands support for tubular joint verification with dedicated connection standards:
These standards are focused on offshore tubular joints and connections, including checks for axial force, bending, interaction effects, chord force factors, overlap conditions, and load transfer behavior where applicable.
ISO 19902 joint verification is now available as a dedicated Connections workflow, making tubular joint checks easier to manage separately from member checks.
API RP 2A-LRFD Connections supports offshore tubular joint verification for projects that follow US design requirements.
Norsok N-004 Connections expands support for offshore tubular joint verification used in North Sea and global energy projects.
The practical value is straightforward. Offshore structures often combine global FEM analysis with local code checks on joints that are critical for safety and compliance. With these additions, engineers can run those joint checks directly inside the SDC Verifier workflow instead of splitting the job across disconnected tools or manual calculation steps.
Another important improvement is transparency. In 26R1, these workflows are structured more clearly into Members and Connections, and engineers can review formulas and intermediate results more directly. That makes joint verification easier to understand, easier to review, and easier to trust — especially in standards where calculation logic is too important to stay hidden behind a closed workflow.
This release also introduces NACA TN 3781 Plate Buckling (1957).
NACA TN 3781 Plate Buckling (1957) supports flat-plate stability checks under combined in-plane loading, including elastic and inelastic buckling behavior.
The implementation supports flat-plate buckling verification under combined in-plane loading, including both elastic and inelastic (plastic) buckling behavior. Engineers can define parameters such as secant modulus, tangent modulus, plastic Poisson’s ratio, and buckling coefficients for different boundary conditions.
This extends SDC Verifier’s plate buckling capabilities into aerospace and defense-related use cases, including airframe-like flat-plate structures where elastic-only assumptions are not enough and support conditions materially affect the result.
A good release is not only about adding more checks. It is also about reducing the gap between theoretical support and usable day-to-day engineering workflows. That is where several 26R1 improvements matter.
26R1 introduces the Edge Stress Method in plate buckling checks.
The Edge Stress Method uses FEM edge stress distributions for a more representative plate buckling assessment.
Engineers can review plate edge stress values directly, improving transparency in buckling input data
This allows engineers to assess stability using actual FEM edge stress distributions rather than relying only on averaged values.
This matters most when stress distribution across a plate is not uniform, which is the typical real-world case. In such scenarios, plate-average stress can be too rough, while peak stress can be overly conservative. By using FEM edge stress distributions, the Edge Stress Method gives engineers a more realistic basis for buckling assessment.
This method is especially relevant for rectangular plates, where more accurate edge-based input can materially improve the representativeness of the buckling check.
The Effective Plate Width tool has been extended to include girders.
The Effective Plate Width tool now includes girders, supporting more complete stiffener–girder interaction in DNV RP-C201 workflows.
This is an important enhancement for DNV RP-C201 workflows because stiffener and girder checks depend on how the effective plate width is treated. By including girders in this tool, SDC Verifier now supports a more complete representation of stiffener–girder interaction in stability checks.
That removes a real limitation. Engineers no longer need to treat girders as an awkward exception inside a workflow that otherwise handles stiffened plates systematically.
Panel Finder has also been improved so that predefined girders are recognized as girders instead of stiffeners, with dedicated girder parameters.
Predefined girders are now recognized as girders rather than stiffeners, improving setup accuracy for girder buckling checks.
Recognition quality is what determines whether a standard-based workflow feels reliable or fragile. If the structural role is recognized incorrectly, everything downstream becomes harder to trust. This update makes DNV RP-C201 workflows materially cleaner.
SDC Verifier now explicitly validates whether a selected plate buckling standard supports flat or curved plates.
This is exactly the kind of product behavior engineers need. It makes the limitation visible before results are misunderstood. Instead of leaving unsupported cases ambiguous, the software now makes them explicit.
That improves transparency and reduces the risk of drawing conclusions from results that should not be used.
Beyond standards and buckling logic, 26R1 includes several quality-of-life improvements that fix recurring workflow pain.
In SDC Verifier, a new Auto Update Model preference allows the model to update automatically when elements are added, edited, or removed.
Auto Update Model keeps the project synchronized after mesh edits and reduces manual update steps.
This reduces manual housekeeping and helps keep the project state aligned with the actual model state. On complex projects, that saves time and lowers the chance of working on stale data.
The Flow Table now includes an option to show relevant results only.
The Flow Table can now show only relevant results, making load effect review clearer and faster.
This improves how engineers track the same load set across nodes and elements and makes load effect analysis easier to read. Instead of digging through unnecessary rows, users can focus on the results that actually matter for interpretation.
The Results Manager now centralizes Checks, Tools, and Output Sets in one interface.
The enhanced Results Manager centralizes output sets, checks, and tool results in one interface.
That is a solid usability improvement. Result review becomes more consistent across supported platforms, and project navigation is clearer when multiple result sources are involved.
The option to remove old output sets is now enabled by default.
Old output sets can be removed automatically during recalculation, helping keep projects clean and consistent.
This is the right default. Old result sets create clutter, inflate model size, and increase the chance that someone reads the wrong output. Automatically clearing outdated results helps keep recalculation workflows cleaner and more reliable.
The Mesh to Geometry Tool can now create plate geometry from selected 1D/2D mesh elements.
That gives engineers a faster path when geometry reconstruction is needed from existing FE models, which is useful in model preparation, rework, and imported-model cleanup scenarios.
Reporting now supports custom legends, including two independent legend ranges within a single plot.
This gives more control over how results are presented in engineering reports and makes it easier to highlight different result regimes in a single visualization.
The Shape Library now displays dimensional information for bulb profiles directly in the interface.
Bulb profile dimensions are now shown directly in the Shape Library, reducing selection errors.
That reduces guesswork during profile selection and lowers the chance of input mistakes.
The default Solid Geometry Scale Factor has been updated to 1, preventing unwanted unit scaling during export.
That is a small setting change with very practical consequences: fewer surprises in geometry transfer and more predictable interoperability.
SDC Verifier now warns users when the model is edited while results already exist.
This is another strong product decision. It protects engineers from unintentionally relying on results that may no longer be valid after mesh changes.
26R1 also includes a wide set of bug fixes across calculation logic, results handling, stability, and performance.
Some of the more important corrections include:
That part of the release should not be underestimated. In engineering software, trust is built not only by adding features, but by making existing workflows more stable and more predictable.
SDC Verifier 2026 R1 is not a cosmetic release. It pushes the product forward in a few very practical ways.
First, it strengthens SDC Verifier’s position in offshore and wind-related verification with DNV RP-C201 and dedicated tubular joint standards for ISO, API, and Norsok workflows.
Second, it improves buckling verification quality with better stress treatment, better girder support, and better recognition.
Third, it reduces avoidable friction in result management, model updates, and reporting, which is where a lot of engineering time gets lost in real projects.
For teams working in offshore energy, marine structures, renewable applications, and other code-driven structural environments, 26R1 gives a more complete and more reliable verification workflow inside the tools they already use.
If your workflow depends on buckling checks, tubular joint verification, and clean result handling across Ansys, Femap, or Simcenter 3D, this release is worth a close look.
Download the latest standalone version to explore new offshore standards, improved buckling checks, and smarter result management.
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