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Summary

SAMIN Information System provides dimensional accuracy control and erection forecasting simulation systems for the Asian shipbuilding industry. In its bid to be the first to market with a 3D accuracy control system that met Asian shipbuilding standards, SAMIN needed to source 3D modeling technology to develop a drafting module.

By implementing 3D ACIS Modeler, 3D InterOp and HOOPS Visualize, SAMIN was the first to market a 3D accuracy control system that met the high standards of the demanding Asian shipbuilding market.

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The Company

Based in Korea, SAMIN Information System delivers accuracy control and erection simulation systems to the major Korean and Chinese shipyards. The company also markets its products in Japan, Vietnam, Turkey, and India. SAMIN’s customers include Asia’s largest shipbuilding companies: STX Shipbuilding & Marine Co., Ltd. in Korea; Shanghai Waigaoqiao Shipbuilding Co., Ltd.; Dalian Shipbuilding Industries Co., Ltd. in China; and Halong Shipyard Co., Ltd. in Vietnam. SAMIN’s product line includes EcoMES, EcoBLOCK, and EcoOTS for shipbuilding production, and EcoVIEWER and EcoPINJIG for shipbuilding design.

SAMIN’s EcoBLOCK is a 3D-based block accuracy control system that interfaces with shipbuilding 3D CAD systems such as AVEVA MARINE, Tribon, CADDS, ERSPD, ShipConstructor, and AutoCAD. Using EcoMES and Total Station, blocks (composed of several steel plates and sections with various sizes and shapes) in production are

accurately measured and compared with imported design models created with 3D CAD systems to easily and accurately analyze any errors. Using the analyzed output from the EcoBLOCK, a modification method is derived for any blocks that need correction through cutting and rearing. The output is used to produce blocks that accurately meet ship owner’s requirements.

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The Challenge

In Search of a Robust 3D Modeling Kernel

In its bid to be the first to market with a 3D accuracy control system that met Asian shipbuilding standards, SAMIN needed to source 3D modeling technology to develop a drafting module and extract the 3D design information (Geometry, Attribute) from Tribon. The company had been doing the internal development work prior to looking for a component solution.

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The Solution

High-Powered Suite of 3D Components

SAMIN discovered Spatial Corp. through the book 3D Modeling with ACIS. After considering the Parasolid kernel, in early 2007 SAMIN decided that Spatial’s ACIS 3D modeling kernel and HOOPS application framework would be the best solution for its 3D accuracy control system.

One major factor for selecting ACIS was the prevalence of ACIS-based shipbuilding applications. The Asian shipyards use design systems specifically developed for building large, complex ships and off shore vessels. These 3D design programs are typically based on Spatial’s ACIS kernel, which greatly influenced SAMIN’s decision to purchase ACIS. The use of ACIS ensures that EcoBLOCK and EcoOTS interwork with all leading shipbuilding CAD systems, being able to leverage all of the ship component terminology, such as the names of pipes, panels, structures, as well as the measurement data itself.

Another key consideration of developing SAMIN’s accuracy control system with ACIS was its intersection function which detects interferences for blocks during the assembly process. And ACIS facilitates the construction of 3D solid models of ship blocks based on Tribon (3D CAD system for designing commercial and naval vessels) geometry data.

HOOPS’ open architecture and robust graphic functionality enabled SAMIN to quickly develop and maintain its high performance 3D visualization applications. The Company particularly found that HOOPS’ Reference Applications source code greatly accelerated the development process.

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Key Insights

Spatial’s SDKs are industry-leading for a reason.
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Solutions

SAMIN cited these Spatial capabilities as integral to the success of its software:

  • Construction of 3D solid models of ship blocks based on code

  • Tribon geometry data using ACIS

  • Visualization of 3D ship models using HOOPS

  • Translation and rotation of 3D ship models using ACIS/HOOPS

  • Obtaining the coordinates of 3D ship models

  • Clash detection between ship parts using ACIS

  • Visualization of the various markups using HOOPS