I sincerely apologize for my long absence from the forum.
For many months, my country, Iran, has been living through dark and painful days. A devastating war imposed by the United States and Israel brought fear, destruction, and suffering to millions of ordinary people. Under the banners of “freedom” and “fighting terrorism,” innocent civilians were killed, including children whose only crime was being born in the wrong place at the wrong time. Families lost their homes, parents buried their children, and entire communities were left traumatized.
As an engineer, it was heartbreaking for me to witness the destruction of infrastructures that represented years of human effort, science, and engineering achievement. Beautiful bridges, industrial facilities, steel plants, and petrochemical complexes built by Iranian engineers were damaged or destroyed. Seeing creations built for development and life become targets of war is a pain difficult to describe.
At the same time, Iran experienced one of the harshest internet shutdowns in modern history. According to international monitoring organizations such as NetBlocks, access to the global internet was almost completely cut off starting February 28. For long periods, we were isolated from the world. Only through expensive and unstable connections was I sometimes able to briefly access the international internet.
The economic consequences have also been severe. Inflation has become overwhelming, and the prices of many essential goods have increased two, three, or even six times. Daily life has become extremely difficult for ordinary people.
What hurts even more is hearing all of this destruction described as a mission for peace, humanity, or civilization. Iran is one of the oldest continuous civilizations on Earth, with thousands of years of history, culture, science, literature, and engineering heritage — far older than the relatively young histories of modern political powers that now lecture the world about civilization.
History has seen many wars, empires, and aggressors rise and disappear. Yet Iran has endured through centuries, and it will endure again.
Thank you for your understanding, your patience, and your kindness during my long absence.
I am still here, and I remain honored to be part of this community.
AutoCAD LT 2027, released on March 25, 2026, introduces several AI-powered and cloud-connected features designed to streamline 2D drafting and collaboration.
Key New Features
-Geometry Cleanup: A new tool that automatically scans drawings to identify common errors like gaps, overshoots, undershoots, and misaligned angles.
-Autodesk Assistant (Tech Preview): Now enhanced with AI-powered chat and prompt-driven workflows. You can use natural language prompts to check your drawings against specific CAD standards by uploading a reference file.
-Checkout for Parallel Editing: This collaborative tool allows team members to work on the same DWG file simultaneously.
-Forma Data Management Essentials: Now included with standalone subscriptions, providing a centralized cloud environment for project storage, version history, and folder-level permissions.
Workflow & Collaboration Enhancements
Connected References: Automatically detects moved or renamed external references (Xrefs) in cloud-stored projects and suggests repairs from the Xref palette.
Connected Support Files: Centralizes control over cloud-managed support files. Tool Palettes and CUIx (Partial Customization) files now load automatically based on the specific project you are working on in Forma Data Management.
Layout Tab Switching: Performance improvements have noticeably reduced the time it takes to switch between layout tabs in complex drawings.
Retired & Removed Features
To support the shift to modern cloud workflows, several legacy features have been removed:
AutoCAD Web & Mobile Support: Commands like OPENFROMWEBMOBILE and SAVETOWEBMOBILE are retired.
Shared Views: Replaced by Forma Data Management for sharing and collaboration.
MrSID Support: Image files in the MrSID format can no longer be attached.
PostScript Export: The PSOUT command has been removed
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CSI SAP2000 v27.0.0 build 3505 is the latest evolution of the flagship structural analysis and design platform used by engineers worldwide to model everything from simple frames to complex infrastructure with precision and confidence.
Powered by the proven SAPFire® analysis engine, it delivers robust finite-element calculations, dynamic simulations, and nonlinear behavior prediction under real-world loads such as wind, seismic, and live forces.
This version expands industry support with updated concrete and steel design codes, enhanced mesh control, and streamlined import/export workflows for modern 3D geometry formats like OBJ.
Its intuitive object-based modeling environment lets users shape, refine, and analyze models in 2D and 3D while visualizing responses and structural behavior with high-quality graphics.
SAP2000 v27 continues CSI’s tradition of blending deep engineering rigor with practical workflow tools that accelerate both routine and cutting-edge structural design projects.
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AutoCAD is the world leader in 2D and 3D design solutions. With its increased visual appeal, 3D modeling accelerates design work and documentation, enables model sharing, and enables the development of new ideas. Thousands of add-ons are available for AutoCAD, meeting the needs of a wide range of customers. It's time to design differently—it's time for AutoCAD.
AutoCAD enables you to solve the most complex design problems. Freeform modeling tools enable you to model a wide variety of solids and surfaces; design review time is significantly reduced; parametric drawings help keep all necessary information at your fingertips. Design ideas can be visualized in PDF format and even realized in 3D printed mockups. Never before have ideas been transformed into reality so quickly.
✅ Existing strong foundation (from AutoCAD 2026). Many of the big recent additions you’re likely to see continued or improved in 2027 include:
AI-assisted tools like Autodesk Assistant, Smart Blocks, My Insights, Activity Insights, Markup Import & Assist — all designed to automate tedious tasks and help interpret feedback faster
Performance improvements (faster file opening and startup)
Cross-platform/cloud workflow — access and edit DWG files on desktop, web, and mobile; Trace and Count tools; Save/Share to web/mobile
Collaboration enhancements with Autodesk Docs and cloud sync
Specialized toolsets for architecture, mechanical, and other industries
🧠 Expected / likely focus areas for AutoCAD 2027. While specific feature lists aren’t published yet, we can reasonably predict the themes Autodesk will emphasize for the 2027 version based on industry direction and Autodesk’s recent trajectory:
Deeper AI integration — smarter block recommendations, improved automated drafting actions, and more context-aware tools (building on Smart Blocks & Assistant)
Better cloud collaboration/workflows — smoother DWG sync, more realtime feedback, tighter Autodesk Docs linking
Enhanced cross-platform parity — bringing more desktop-class features to AutoCAD Web and Mobile
Performance & stability improvements — e.g., graphics, file handling, multi-core usage
New productivity tools — likely additions to automation, counting, reporting, and drawing comparison
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We sincerely apologize to all our users for the recent service disruption.
For nearly three weeks, access to international internet services in Iran was completely cut off due to nationwide protests, and unfortunately, there was no possible way to establish a stable connection during this period. As a result, we were unable to provide timely updates, support, or normal service operations.
We truly appreciate your patience, understanding, and continued trust, and we are committed to serving you better moving forward.
Thank you for being with us.
Hi. Have subscribed and paid through Paypal yet I am unable to download. The Mediafire and Mega links provided are not working. Can you please help? Have also shared the problem througn email to [email protected] but received no respone. Thank you
This Code prescribes testing programs and evaluation requirements for post-installed reinforcing bars intended for use in concrete under the straight-bar development and splice length design provisions of ACI CODE-318. Testing and assessment criteria are provided for various conditions of use, including seismic loading, sustained loading, aggressive environments, and reduced and elevated temperatures. Criteria are provided for establishing the required characteristic bond strength, reductions for adverse conditions, and associated job-site quality control requirements.
This Specification describes the work of repairing defects in hardened portland-cement concrete with an epoxy mortar. Included are controls for epoxy resin system labeling, storage, handling, surface evaluation and preparation, mixing and application, inspection, quality control, and testing..