| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Mechanical and Aerospace Engineering | 33 | 3088 | 2904 | 1049 | 931 | 137 | 3214 |
The chart shows the history of publications by Christopher O. Johnston between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christopher O. Johnston published across 55 years, from 1971 to 2025, averaging 2.8 papers a year. Output peaked at 14 publications in 2017. 11 of the 152 publications appeared in the last two years.
152 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1971 | 1 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 0 |
| 1995 | 0 |
| 1996 | 0 |
| 1997 | 0 |
| 1998 | 0 |
| 1999 | 0 |
| 2000 | 0 |
| 2001 | 0 |
| 2002 | 0 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 0 |
| 2006 | 3 |
| 2007 | 3 |
| 2008 | 8 |
| 2009 | 5 |
| 2010 | 5 |
| 2011 | 5 |
| 2012 | 9 |
| 2013 | 11 |
| 2014 | 9 |
| 2015 | 6 |
| 2016 | 9 |
| 2017 | 14 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 8 |
| Total | 152 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Christopher O. Johnston sits on this spectrum.
This scientist: 137 publications — 19th percentile
19% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 659 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 47–56 | 10 | |
| 57–66 | 23 | |
| 67–76 | 32 | |
| 77–86 | 62 | |
| 87–96 | 67 | |
| 97–106 | 91 | |
| 107–116 | 113 | |
| 117–126 | 115 | |
| 127–136 | 130 | |
| 137–146 | 140 | 137 |
| 147–156 | 155 | |
| 157–166 | 132 | |
| 167–176 | 133 | |
| 177–186 | 130 | |
| 187–196 | 140 | |
| 197–206 | 115 | |
| 207–216 | 125 | |
| 217–226 | 117 | |
| 227–236 | 99 | |
| 237–246 | 92 | |
| 247–256 | 100 | |
| 257–266 | 95 | |
| 267–276 | 88 | |
| 277–286 | 77 | |
| 287–296 | 74 | |
| 297–306 | 74 | |
| 307–316 | 62 | |
| 317–326 | 70 | |
| 327–336 | 59 | |
| 337–346 | 58 | |
| 347–356 | 45 | |
| 357–366 | 44 | |
| 367–376 | 36 | |
| 377–386 | 41 | |
| 387–396 | 32 | |
| 397–406 | 23 | |
| 407–416 | 28 | |
| 417–426 | 27 | |
| 427–436 | 25 | |
| 437–446 | 23 | |
| 447–456 | 23 | |
| 457–466 | 20 | |
| 467–476 | 12 | |
| 477–486 | 24 | |
| 487–496 | 18 | |
| 497–506 | 12 | |
| 507–516 | 13 | |
| 517–526 | 21 | |
| 527–536 | 12 | |
| 537–546 | 8 | |
| 547–556 | 16 | |
| 557–566 | 3 | |
| 567–576 | 11 | |
| 577–586 | 6 | |
| 587–596 | 5 | |
| 597–606 | 6 | |
| 607–616 | 7 | |
| 617–626 | 7 | |
| 627–636 | 10 | |
| 637–646 | 4 | |
| 647–656 | 3 | |
| 657–658 | 2 | |
| 659+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Christopher O. Johnston sits on this spectrum.
This scientist: 33 D-Index — 14th percentile
14% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 93 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 83 | |
| 31 | 113 | |
| 32 | 144 | |
| 33 | 153 | 33 |
| 34 | 189 | |
| 35 | 158 | |
| 36 | 139 | |
| 37 | 127 | |
| 38 | 130 | |
| 39 | 126 | |
| 40 | 104 | |
| 41 | 100 | |
| 42 | 107 | |
| 43 | 101 | |
| 44 | 103 | |
| 45 | 79 | |
| 46 | 88 | |
| 47 | 70 | |
| 48 | 83 | |
| 49 | 44 | |
| 50 | 64 | |
| 51 | 56 | |
| 52 | 50 | |
| 53 | 48 | |
| 54 | 58 | |
| 55 | 52 | |
| 56 | 48 | |
| 57 | 42 | |
| 58 | 34 | |
| 59 | 42 | |
| 60 | 37 | |
| 61 | 42 | |
| 62 | 44 | |
| 63 | 22 | |
| 64 | 33 | |
| 65 | 29 | |
| 66 | 23 | |
| 67 | 29 | |
| 68 | 24 | |
| 69 | 19 | |
| 70 | 34 | |
| 71 | 26 | |
| 72 | 19 | |
| 73 | 18 | |
| 74 | 19 | |
| 75 | 14 | |
| 76 | 19 | |
| 77 | 8 | |
| 78 | 18 | |
| 79 | 16 | |
| 80 | 12 | |
| 81 | 17 | |
| 82 | 11 | |
| 83 | 16 | |
| 84 | 7 | |
| 85 | 9 | |
| 86 | 8 | |
| 87 | 6 | |
| 88 | 6 | |
| 89 | 7 | |
| 90 | 10 | |
| 91 | 4 | |
| 92 | 4 | |
| 93+ | 100 |
Christopher O. Johnston;Brian R. Hollis;Kenneth Sutton
David A. Neal;Matthew G. Good;Christopher O. Johnston;Harry H. Robertshaw
Christopher O. Johnston;Brian R. Hollis;Kenneth Sutton
Christopher Owen Johnston
C.O. Johnston;A.M. Brandis
A. Sahai;B. Lopez;C. O. Johnston;M. Panesi
Aaron M. Brandis;Christopher O. Johnston
Christopher O. Johnston;Aaron M. Brandis
Christopher O. Johnston;Peter A. Gnoffo;Kenneth Sutton
Christopher O. Johnston;Aaron M. Brandis;Kenneth Sutton
Karl T. Edquist;Brian R. Hollis;Christopher O. Johnston;Deepak Bose
Alireza Mazaheri;Christopher O. Johnston;Siavash Sefidbakht
Deepak Bose;James L. Brown;Dinesh K. Prabhu;Peter Gnoffo
Christopher O. Johnston
Christopher O. Johnston;Peter A. Gnoffo;Alireza Mazaheri
Christopher O. Johnston;David A. Neal;Leonard D. Wiggins;Harry H. Robertshaw
Aaron Brandis;Christopher Johnston;Marco Panesi;Brett Cruden
Christopher O. Johnston;Brian R. Hollis;Kenneth Sutton
Christopher O. Johnston;Alireza Mazaheri;Peter Gnoffo;Bil Kleb
A. M. Brandis;C. O. Johnston;B. A. Cruden;D. K. Prabhu
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