List of Articles Open Access Article Abstract Page Full-Text 1 - Free and forced vibration analysis of Timoshenko composite beam with piezo-electric layers Mohammad Sadeghi Aliasghar Jafari Open Access Article Abstract Page Full-Text 2 - Modeling Energy Efficiency of Amphitheater Building of Semnan Azad University, Using InDesign Bidder Software Mohsen Rasouli Nader Rahbar Open Access Article Abstract Page Full-Text 3 - Modeling the equipment of fluid managing in liquid propellant engine rocket tanks yaser bezi kuros nekufar zahra ghaderi Open Access Article Abstract Page Full-Text 4 - Review of the Parameters Influence of Incremental Forming Between 1960 and 2019 Mojtaba Hasanlu sina mokary Open Access Article Abstract Page Full-Text 5 - Using lobe diagrams to optimize spindle velocity and cut width ratio Mohamad Jafar Ostad Ahmad Ghorabi Open Access Article Abstract Page Full-Text 6 - Parameter identification for solar cell models using HBB-BC algorithm محمد طلوع عسکری Open Access Article Abstract Page Full-Text 7 - The impact of smart materials (nano-technology) with emphasis on reducing energy consumption in the construction industry melika saadati hasan sajadzadeh saeid kamyabi