ASDEA Webinars

A Collaborative Webinar Series with Industry Experts

Unveiling the Power of STKO and OpenSees through our webinar series. Join us as we dive into the cutting edge of earthquake engineering as we embark on a captivating webinar series exploring STKO, OpenSees, and groundbreaking applications alongside industry luminaries and esteemed academic researchers from across the globe.

We have also collaborated with DesignSafe-CI to help users learn more about STKO, OpenSees, and the potential of the programs with DesignSafe. View more info about the DesignSafe webinar collaboration here!
This unparalleled learning experience will delve into diverse topics, empowering you to:

  • Master the intricacies of STKO and OpenSees: Gain in-depth knowledge of these advanced computational tools from the experts who shape their development.
  • Explore real-world applications: Witness the transformative potential of STKO and OpenSees with practical case studies showcased by industry leaders.
  • Unlock the power of DesignSafe-CI: Discover how DesignSafe-CI seamlessly integrates with STKO and OpenSees, streamlining your research workflow and amplifying your capabilities.

Don’t miss this exclusive opportunity to:

  • Network with leading figures: Engage in interactive discussions with industry experts and academic thought leaders.
  • Expand your knowledge base: Acquire valuable insights and practical skills applicable to your research and professional endeavors.
  • Stay at the forefront: Gain a competitive edge by staying abreast of the latest advancements in earthquake engineering software and applications.

We will include links to previous webinar recordings and folders for downloading related files at the bottom of the page. These webinars are hosted on Zoom and usually run for an hour. After the presentation, there will be a final Q&A session with our presenters.

Register now and join us on this exciting journey of discovery!

Our Webinars

Use the following links to navigate through our selection of advanced webinars!

Presenter: Dr. Massimo Petracca

Presenter: Dr. Massimo Petracca

Managing Partner and Chief Software Developer at Asdea Software Technology

With a dual PhD in structural mechanics from the Polytechnic University of Catalonia and the University of Chieti-Pescara, he is a well-known expert in micro modeling and computational multiscale homogenization and has extensive experience in software development for numerical methods and data visualization. His research focuses on the constitutive modeling of material failure in concrete, masonry, and composite materials through classical and advanced computational methods, and his research has been published in international journals and conferences. As a regular contributor to OpenSees code development, you can’t find a better person to give advanced webinars on OpenSees!

Upcoming Webinars:



Number Title Featured Presenter Date
11 TBD TBD September 24, 2025
12 TBD TBD October 22, 2025
13 TBD TBD 2025
Past Webinar Videos and Files

Number Webinar Description Files
#01
High-fidelity micro-modeling with OpenSees and STKO: Application to the analysis of infilled frames subject to seismic loads
View
This webinar focuses on the use of high-fidelity micro-modeling to generate numerical models of infilled frames for seismic performance assessment. The models are built with OpenSees and STKO, and can predict damage patterns and assess internal force distribution due to frame-infill interaction. The webinar also covers modeling techniques for masonry and reinforced members, and how to perform high-performance computing for quality simulations in a short time.
#02
Offshore Wind Turbines in Seismic Regions: Simplified Structural Modelling, Myths, and Fallacies.
View
Offshore wind industry is forecasted to become a trillion-dollar industry in the next few decades. Significant investments are expected from Asian and American markets. Seismic actions may be a dominant design factor for those regions. With this talk we will go through a number of technical myths and fallacies around the rising offshore wind industry in seismic countries. The talk comprises two parts. First, a general identification of the issues associated with the seismic design/assessment is provided. Then, few applications are demonstrated on the seismic behaviour of typical monopiles offshore wind turbines
#03
The New ASDCoupledHinge Model for Accounting PMM Interaction Within Lumped Approaches for RC Elements.
View
The New ASDCoupledHinge Model accounts for the interaction between axial force and bending moment (PMM interaction) within lumped plasticity approaches for reinforced concrete elements. It is implemented in OpenSees and STKO, allowing users to define the strength domain and equations for evaluating yield stiffness, cap/post-cap rotations at each analysis step. This overcomes a major drawback of traditional lumped plasticity models which generally do not account for PMM interaction. Non-linear analyses are essential for simulating the structural behavior of RC elements, with the main approaches being distributed plasticity (fiber-sections) or lumped plasticity models.
#04
The new ASDShellQ4 and ASDShellT3 thick shell elements in OpenSees and STKO
View
The OpenSees shell element library has been enriched by 2 new entries developed by ASDEA Software: the quadrilateral ASDShellQ4 and triangular ASDShellT3 shell elements. Regarding the plate-bending part, they represent thick (shear-deformable) Reissner-Mindlin plates. As is known, low order elements can exhibit transverse-shear locking in the thin plate limit. To overcome this problem, the MITC4 and MITC3 formulations are used. As for the membrane part, both use special formulations (AGQ6-I for ASDShellQ4 and ANDeS for ASDShellT3) to improve the in-plane bending behavior even with very coarse discretization.
#05
Elasto-Plastic Constitutive Modeling with ASDPlasticMaterial on STKO and OpenSees
View
This webinar introduces ASDPlasticMaterial, a versatile suite of elasto-plastic constitutive models recently integrated into the OpenSees framework. The ASDPlasticMaterial family of constitutive models enhances the simulation capabilities of OpenSees by allowing users to customize models through a selection of yield functions, plastic-flow directions, elasticity laws, and hardening models for internal variables. Through a series of practical examples, we will demonstrate the application of ASDPlasticMaterial in OpenSeesPy and the STKO constitutive tool. The webinar will conclude with a discussion on solving boundary-value problems, showing the robustness, performance and adaptability of the new models.
#06
STKO 4.0.0: Streamline Workflows & Enhance Structural Analysis
View
This webinar takes you through the latest features designed to enhance your structural engineering workflow. Discover new features such as:
  • Python API Enhancements: Access modal results and explore new features in the Python API.
  • Material Model Advancements: Enjoy expanded capabilities with ASDConcrete3D, zeroLengthContactASDimplex, and the introduction of ASDShellT3, ASDCoupledHinge3D, ASDConcrete1D uniaxial material, and more.
  • Beta Features: Explore the potential of ASDAbsorbingBoundaryAutoUpdate and Pore-Pressure dependency for enhanced simulations.
  • New Features: Experience shell-section extrusion, frame-step animation, custom transformation operators, and more!
Current version of OpenSees is: 3.7.0
#07
Construction Stage Analysis in STKO and OpenSees: Leveraging Incremental Multi-Point Constraints and the New Auto Constraint
View
Join Dr. Petracca for an in-depth session on performing construction stage analysis in STKO using the incremental feature of multi-point constraints. Discover how adding constraints during analysis can enhance accuracy and efficiency in simulating staged construction processes. Dr. Petracca will also introduce the new Auto Constraint Handler, simplifying constraint management in STKO and OpenSees.
#08
Detailed Modeling of Steel Connections with STKO & OpenSees
View
Steel connections are critical components in structural systems, influencing overall behavior under various loading conditions. This webinar, presented by ASDEA Software, delves into the detailed modeling of steel connections using STKO's graphical interface for OpenSees. Participants will learn how to accurately represent connection geometries, define appropriate material models, and implement boundary conditions to simulate realistic joint behavior.
#09 Modeling of Bolted Steel Connections and Local Buckling in STKO for OpenSees
View
Steel connections are critical components in structural systems, significantly influencing global behavior under various loading conditions, including seismic events. Accurate modeling of these connections is essential for reliable structural analysis and design. This webinar, presented by Dr. Akan, builds on our previous session and focuses on the modeling of bolted steel connections and the critical phenomenon of local buckling—using shell elements within STKO’s intuitive graphical interface for OpenSees. VIEW
#10
A Macroscopic Uniaxial Material Model for Steel Incorporating Fracture, Bond-Slip, and Buckling via Multiscale Homogenization
View
In this webinar, Alessia Casalucci, Ph.D., presents the new ASDSteel1DMaterial recently developed for the OpenSees framework. It is a robust and efficient macroscopic uniaxial material model for simulating the monotonic and cyclic behavior of steel members, incorporating key nonlinear mechanisms such as tensile fracture, bond-slip, and buckling. The model uses a multiscale homogenization strategy, where a representative sub-model with corotational elements and fiber sections captures local buckling effects. The webinar focuses on how to define the material parameters and apply the model in structural simulations under complex loading conditions. Selected numerical examples will be presented to illustrate the model’s capabilities and practical uses.
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