Tuesday, June 16, 2015

The Fescue Math at Chambers Bay



 The Fescue Math at Chambers Bay

I know nothing about how to play

golf, neither tourney nor links,

yet I'll watch  the National Open which  will start Thursday

on a course out west called Chambers Bay

although  some experts say it stinks

because it's long and quite hilly

and  totally  lined with fescue,

a grass on on which balls at times slide willy nilly

requiring both luck as well as considerable   skill to rescue.

So even if a golfer has muscles galore

which he usually hustles to explore

instead he may have often  to use his putter

while stifling  any impulse to mutter,

and the outcome may remain  in doubt

until the gallery's final shout. 


But if  golf is such a mental game, as they say,

then why don't they just  teach IBM's Watson to play?


HZL

6/16/15

In the news
  • Image for the news result
    Fescue grass part of what makes Chambers Bay unique
    TheNewsTribune.com - 2 days ago
    Tall fescue grasses frame the view of the long 8th fairway. DEAN J. KOEPFLER — Staff ...



  • (including these excerpts))



    He was adamant about choosing fine-leaved fescue — arguably the best grass for links golf.
    And Jones didn’t want to just make fescue the tall, wispy rough on the course. He wanted the whole Scottish links-style course to bloom in it, including fairways and greens.
    “Fine fescue only thrives in a maritime climate as a turf grass — like here in the Pacific Northwest,” said Jones, who has designed more than 230 courses on six continents. “We had a sandy site. It is a droughty grass. That is why it turns colors in the summer, but it is playable.
    “Finally, as a player, it allows for the links game — the bump-and-run shots, and the rollout shots — to react like it is on a trampoline. Your clubface kind of bounces through the shot. And you don’t take big divots, but little divots. You cannot put much spin on it like you can on a softer grass. Fescue is hard, like hitting off a table.”
    Over in the United Kingdom, particularly in the British Isles, that type of surface for fast-and-firm conditions is referred to as “fine turf” — made up primarily of thin-bladed, deep-rooted, water-and-salt- resistent fine fescue and bent grasses.


    .. one day while playing golf at the Oregon resort, a buddy pulled out his putter — for a shot from 170 yards away from the green.
    “Try doing that on rye grass or blue grass,” Johnson said.
    The problem with fescue care, especially back in the early 2000s, was there wasn’t much available literature on the topic. Starting in 2006, Johnson and a few of his staff members started attending fescue grass conferences in England to learn about it.
    While it is not self-sustainable in all but a few maritime climates around the world, fine fescue does not require a lot of water or fertilizer — which is vital for cutting down maintenance costs.
    But in the end, isn’t it about if good golf can be played on it?
    England’s Paul Casey said for quality links golf, fine fescue has to be the preferred surface.
    “Fescue naturally skids, and rolls,” Casey said. “It is awesome. It is like carpet.”
    USGA Director Mike Davis said he thinks it will be a wonderful grass on which to stage this year’s national open.
    “It’s a great grass to play golf on because it doesn’t have any tackiness to it. It’s a thin blade of grass ... so when the ball hits it, where a lot of grasses will grab it, on fescue, it skids,” Davis said. “And what that means is, when you’re playing golf, you’ve got to think about what happens when your ball hits it — where it’s going to bounce to and roll to.”
    Todd Milles: 253-597-8442 todd.milles@thenewstribune.com @ManyHatsMilles


  • Image for the news result
    Tiger Woods, right, and Jason Day during a practice session at Chambers Bay before the ...


  • Mathematics In Golf 

    By Michael Zuo on 7 June 2011

    (Partial)Transcript of Mathematics In Golf
    Mathematics in Golf Math is used in virtually all sports, in fact everything in our society uses math in one form or another. Statistics, Score keeping, Hitting, Putting, even just playing Golf requires math Sometimes a good understanding of math is all that separates you from getting 18 hole-in-ones and hitting the ball into the sand every time. The first application would the be the calculation of scores, after all without scores how do you determine who wins or loses??? Birdies, hole-in-ones, eagles, bogeys, Albatross, Par +/- Each hole in an 18 hole course has a specific shot limit, so if hole #7 was designed to be completed in 5 shots, and you do it in 10 hits, you would be a bad golfer and have a score of Par +5 Whoever has the lowest amount of shots total across all 18 holes, is the winner, so for example:
    Hole #1: 2
    Hole #2: 4
    Hole #3: 1
    Hole #4: 7
    etc..... Positioning is everything in golf, positioning of your body, positioning of the club, positioning of the golf ball, position of the putting green, positions of the sand traps, positions of the trees, position of the hole, even your own position effects the difficulty and probablity of a shot succeeding For example if you can't aim and somehow get the golf ball into a sand trap, the probability of you getting a birdie (one under par, the amount of shots the hole was designed for) is very slim.
    Likewise if you are the next Tiger Woods and get the ball on to the putting green (the area arou
    Many real life golf situations will require an extensive understanding of parabolas to get the ball into the tee with the least amount of shots, such as calculating the optimal angle at which you should hit the ball and the optimal speed at which you can hit it, to either maximise the distance the ball travels or to make it travel to a specific location. To find the equations for these golf balls, I will use the simplest method, slope-intercept form or y = mx + b, including rise/run. However, linear equations are used once the golf ball is on the putting green, the area surround the tee, because launching the ball into the air when it's only 2 meters away from the hole is not a good idea! For example to get golf ball number 8 into the hole, I see that it is 6 units away on the y axis
    and 6 units away on the x axis, (4, -4) relative to (-2, 2) So it will have a rise/run of 6/-6
    = -1
    Also it will have a y intercept (b) of 0
    Therefore the equation will be
    y = -1x + 0
    or y = -x Now for a parabolic equation it gets harder because a golf ball doesn't fly in a perfect parabolic arch, instead because of the dimples on the golf ball it uses something called the magnus effect which is university level math, so obviously I cannot give an example. However, I can calculate how far a golf ball will travel in a given period of time, or how long it will take for a golf ball to reach x distance, using the following formula:

    d = (vcosm)t

    where d = distance
    v = initial velocity
    m = launch angle
    t = time So if Bob goes to his local golf course records his practise sessions, and these measurements are recorded:
    initial velocity = 70 m per second and launch angle of 30 degrees on average.
    How far did the ball travel 5 seconds after his swing?

    To solve, I will use the formula d = (vcosm)t

    d = (70cos30)5
    d = (60.6218)5
    d = 303.1 m
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