Research Papers in International Refereed Journals


  1. Giagopoulos, I. Chatziparasidis, N. Sapidis, “Dynamic and Structural Integrity Analysis of a Complete Elevator System through a Mixed Computational-Experimental Finite Element Methodology”, Engineering Structures 160, pp. 473-487, 2018.
  2. Chatziparasidis, D. Giagopoulos, N. Sapidis, “Simulated Dynamic Finite-Element Experiments and Automatic Assembly Synthesis for Mechanical Design Automation”, International Journal of Product Lifecycle Management 11(1), pp. 19–46, 2018.
  3. Gabrielides, N. Sapidis, “C1 Sign, Monotonicity and Convexity Preserving Hermite Polynomial Splines of Variable Degree”, Journal of Computational and Applied Mathematics 343, pp. 662–707, 2018.
  4. Kyratsis, A. Tzotzis, D. Tzetzis, N. Sapidis, “Pneumatic Cylinder Design Using CAD-based Programming”, Academic Journal of Manufacturing Engineering 16(2), pp. 107-113, 2018.



  1. Chatziparasidis, N. Sapidis, “Framework to Automate Mechanical-System Design using Multiple Product-Models and Assembly Feature Technology”, International Journal of Product Lifecycle Management 10(2), pp. 124–150, 2017.



  1. Kostas, A. Platis, N. Sapidis, “Performability Assessment of Standalone Photovoltaic Residential Systems”, International Journal of Performability Engineering 12(5), pp. 485-500, 2016.



  1. Cordier, H. Seob, M. Melkemi, N. Sapidis, “Inferring Mirror Symmetric 3D Shapes from Sketches”, Computer-Aided Design 45(2), pp. 301-311, 2013.
  2. Azariadis, S. Kyratzi, N. Sapidis, “A Hybrid-Optimization Method for Assessing the Realizability of Wireframe Sketches”, 3D Research 4(1), Article 3, pp. 1-11, 2013.
  3. Melkemi, F. Cordier, N. Sapidis, “A Provable Algorithm to Detect Weak Symmetry in a Polygon”, International Journal of Image and Graphics 13(1), Article 1350002 [28 pages], 2013.



  1. Karaoglanidis, N. Sapidis, “3D Methodology for Modeling and Analysis of Medium-Complexity Mechanical Assemblies: Application in Elevator-Car Design”, 3D Research 3(4), Article 1, pp. 1-10, 2012.



  1. Kyratzi, N. Sapidis, “3D Object Modeling using Sketches”, Information Resources Management Journal 24(4), pp. 27-49, 2011.
  2. Kyratzi, P. Azariadis, N. Sapidis, “Realizability of a Sketch: An Algorithmic Implementation of the Cross-Section Criterion”, Computer-Aided Design & Applications 8(5), pp. 665-679, 2011.



  1. Agathos, I. Pratikakis, S. Perantonis, N. Sapidis, “Protrusion-Oriented 3D Mesh Segmentation”, The Visual Computer 26(1), pp. 63-81, 2010.
  2. Mpampa, P. Azariadis, N. Sapidis, “A New Methodology for the Development of Sizing Systems for the Mass Customization of Garments”, International Journal of Clothing Science and Technology 22(1), pp. 49-68, 2010.
  3. Petousis, N. Bilalis, N. Sapidis, “A Virtual Reality System for the Determination of Critical Machining-Process Parameters”, International Journal of Intelligent Engineering Informatics 1(1), pp. 75-88, 2010.
  4. Agathos, I. Pratikakis, P. Papadakis, S. Perantonis, P. Azariadis, N. Sapidis, “3D Articulated Object Retrieval Using a Graph-based Representation”, The Visual Computer 26(10), pp. 1301-1319, 2010.



  1. Kyratzi, N. Sapidis, “Extracting a Polyhedron from a Single-view Sketch: Topological Construction of a Wireframe Sketch with Minimal Hidden Elements”, Computers and Graphics 33(3), pp. 270-279, 2009.
  2. Kyratzi, N. Sapidis, “From Sketch to Solid: An Algebraic Cross-Section Criterion for the Realizability of a Wireframe Sketch”, Computing 86(2-3), pp. 219–234, 2009.
  3. Ouzrout, H. Geryville, A. Bouras, N. Sapidis, “A Product Information and Knowledge Exchange Framework: A Multiple Viewpoints Approach”, International Journal of Product Lifecycle Management 4(1-3), pp. 270-289, 2009.

Research Papers in Refereed International Conference Proceedings


  1. Chatziparasidis, N.S. Sapidis, “Automatic Assembly Design for Engineering-To-Order Products based on Multiple Models and Assembly Features”, Proc. PLM’16: IFIP WG5.1 13th International Conference on Product Lifecycle Management [in: R. Harik et al. (eds.), Product Lifecycle Management for Digital Transformation of Industries, pp. 261-274, IFIP Advances in Information and Communication Technology -Vol. 492, Springer], Columbia SC, USA, July 11-13, 2016.



  1. Giagopoulos, I. Chatziparasidis, N.S. Sapidis, “Structural Integrity Analysis and Optimization of an Elevator Frame, through FE Modeling and Experimental Tests”, Proc. COMPDYN 2015 – 5th Int’l Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (ECCOMAS Thematic Conf.), pp. 3194-3204, Volume II (M. Papadrakakis, V. Papadopoulos, V. Plevris, eds, NTUA), Crete Island, Greece, May 25-27, 2015.



  1. Agathos, I. Pratikakis, P. Papadakis, S. Perantonis, P. Azariadis, N. Sapidis, “Retrieval of 3D Articulated Objects Using a Graph-based Representation”, Eurographics 2009 Workshop on 3D Object Retrieval (3DOR ’09), pp. 29-36, Munich, Germany, March 29, 2009.

Invited Editorials in International Refereed Journals


  1. Chen, N.C. Gabrielides, N. Sapidis, R.F. Sarraga, T. Strotman, H. Wolters, Z. Xie, “Editorial: A CAD Tribute to Gerald Farin”, Computer-Aided Design 80, pp. 1-5, 2016.



  1. S. Sapidis, “From the Topical Issue Editor: 3D Research and Technologies for Mechanical Engineering and Industrial Design”, 3D Research 3(2), pp. 1-2, 2012.