1. Department of Mining; Petroleum and Geophysics Engineering; Shahrood University of Technology; University Boulevard; Shahrood Semnan 36199-95161 Iran
2. Department of Mining Engineering; Faculty of Engineering; University of Tehran; Campus #2 Tehran PO Box 14395-515 Iran
3. Department of Mechanical Engineering; Faculty of Engineering; University of Tehran; Campus #2 Tehran PO Box 14395-515 Iran